For questions pertaining about sleep, like what happens when you sleep, when are you allowed to sleep, and waking up after sleep.

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5
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2answers
326 views

Do I need to wear a different tallit katan when I sleep?

If I wear a tallit katan during the day and also to bed, can I wear the same one during the day and also to bed? Or must the one I wear to bed be a different one than the one I wore during the day? ...
9
votes
2answers
164 views

Was Haman so discourteous as to bother the king's sleep?

There are actually 2 related parts to this question: Haman is annoyed with Mordechai and discusses with Zeresh, his wife and his wise advisers what to do. In Esther 5:14, they tell him to make a tall ...
3
votes
1answer
62 views

Why are we impure when we wake up?

I've heard from morim and shiurim that when we wake up we're impure, or at least our hands are impure. That's why netilat yadayim should be one of the first things he do when we wake up. But I've also ...
3
votes
6answers
1k views

married couples never sleeping in the same bed

I have heard that many Orthodox married couples never sleep in the same bed, even during the times that they are permitted to each other. Coming from a non-Orthodox background, this seems shocking to ...
10
votes
3answers
282 views

Yichud at night, if both of the woman's parents are home

Is it permissible for a man to be at a woman's home at night if both of her parents are at home, but sleeping? What if they are awake?
2
votes
1answer
67 views

Can one sleep in a room with a tefillin bag/tefillin in the room?

Can a person sleep in a room with their tefillin bag? Does it matter that the tefillin is in the tefillin bag? Also, if the answer is no, what can one do on Friday night, if one finds out that ...
4
votes
1answer
84 views

Guarding payos overnight

Men must sleep on their side, but, besides for aiding digestion, this tends to mess up long nicely curled payos. How does one protect them overnight from becoming disheveled by lying on them? Note ...
2
votes
0answers
27 views

Insomnia and Modeh Ani [duplicate]

I am wondering what is done in the case of people who have insomnia. I usually sleep about 4 hours a night and I wake during those hours maybe 5 or 6 times. I got into the habit of saying Modeh ani ...
10
votes
2answers
210 views

Modeh Ani - When to say the blessing

When is the proper time to say the Modeh Ani blessing? Sometimes people wake up at 4 or 5 am to use the bathroom and then go back to sleep. Is it correct to say the blessing only when waking up for ...
2
votes
0answers
94 views

Yichud while sleeping

If a Jewish man is alone in the same house with a woman, prohibited to him with kares (e.g. his mother-in-law, or some other eishes ish), and he is sleeping: is he in violation of yichud while ...
0
votes
2answers
122 views

Is Astral Projection allowed in Judiasm and Halachah?

I'm currently studying the subject and am interested in trying it out basically when you go to sleep your soul departs however it happens unconscionably without you being aware of it happening ...
4
votes
1answer
86 views

Difference between Slumber and Sleep

In Tehillim 121, David says of Hashem "הִנֵּה לֹא-יָנוּם, וְלֹא יִישָׁן שׁוֹמֵר, יִשְׂרָאֵל." At first glance, this appears redundant, נום means slumber and שנה means sleep. What is the difference ...
1
vote
0answers
32 views

Best sleeping position?

I think it was in the Shulchan Aruch that I once read that the best sleeping position is laying sideways over the right side. I remember there were reasons for this but I can't recall what they were. ...
3
votes
1answer
60 views

Does חי נושא את עצמו apply only when the human being is conscious?

The concept Gemoro Shabbos 94a that חי נושא את עצמו - a living being “carries itself” - means that someone who carries a living being out on Shabbos unwittingly is not liable to bring a sin offering. ...
8
votes
2answers
119 views

Why does the Gemara often mention that certain Amoraim were asleep?

I've noticed that in the Gemara you often see a pattern where two people are discussing an issue in front of an Amorah (e.g R' Yirmiyah) while he was asleep. After their discussion he wakes up and ...
8
votes
4answers
729 views

Lubavitch not sleeping in a Sukka?

If Lubavitch is careful not to eat or drink anything outside of the sukka, why does Lubavitch not sleep in the Sukka?
13
votes
2answers
486 views

Polyphasic Sleep and Halacha

I recently read an article on polyphasic sleep and I'm quite interested in experimenting with it. The article advises the Uberman approach which advocates 20-30 minute naps every four hours, meaning ...
5
votes
4answers
208 views

Do blankets need tzitzis?

Blankets have four corners. So, do they require tzitzis?
6
votes
1answer
277 views

Inflatable Mattress on Shabbos

Is one allowed to pump air into an inflatable mattress on Shabbos? Is this a problem of tikkun cli, makeh b'patish, etc? (Or any other problem.) What about if the mattress was inflated Erev Shabbos ...
4
votes
1answer
156 views

What's the minimum amount of work necessary to recite “Asher Yatzar” after using the bathroom in the middle of the night?

If one woke up in the middle of the night to use the bathroom, what is the least amount of work one must do (e.g. just rinse the finger tips or rub the hands against one's clothing) that would allow ...
1
vote
1answer
103 views

Bracha on Tzitzit

If one takes a nap and has the intent to put tzitzit back on, does he need to make a new bracha when he does so? Is it considered hesach hadaas (loss of concentration)? Or does his intent obviate ...
2
votes
1answer
82 views

What are the halachic considerations regarding davening after staying up all night on Shavuot?

There is a wide-spread minhag to stay up all night on the evening of Shavuot and learn until shacharit in the morning. I know that when people do that, there are some necessary changes to the morning ...
1
vote
1answer
43 views

Speach After Recitation of HaMapil

What do halachic sources say regarding speech after the nocturnal blessing of HaMapil? Of particular (but not exclusive) interest are the earliest sources that prohibit speech after the recitation. ...
3
votes
2answers
119 views

Staying up all night and suffering on Yom Tov

The Maharal in his commentary on the Haggada (Gevurot Hashem) explains the significance that the Tannaim were relating the story of the Exodus until they were informed by a student that it was time ...
4
votes
2answers
147 views

Looking for a definition of oneg Shabbos

Yeshaya 58:13 states that Shabbat is called oneg (delight). I have seen several different items described as oneg shabbos including taking a nap, marital relations, enjoying food at the shabbat meals ...
5
votes
3answers
609 views

On Shabbat, if one can't sleep, may one consume valerian tea? Valerian root powder? Other non-prescription remedies?

Occasionally, on Shabbat, I've had trouble sleeping. The Doctors Book of Home Remedies (20th anniversary edition) (Rodale, 2010) includes a section about insomnia, which includes a long list of home ...
1
vote
2answers
76 views

Saying Hamapil after Alos Hashachar

If one was up all night and went to sleep after Alos Hashachar does one still say Hamapil?
0
votes
0answers
34 views

Waking Up in Halacha

The first halacha in Shulchan Aruch debate: One should strengthen himself like a lion to get up in the morning to serve his Creator, so that it is he who awakens the dawn. Rema: At least, one ...
3
votes
0answers
144 views

Is it ok to Text After Kriyat Shema al Hamita?

Is it okay to text after saying kriyat shema al hamita? You're not supposed to talk afterward, as it says: Tremble and sin not. Reflect in your hearts while on your beds, and be utterly silent. ...
0
votes
1answer
87 views

Ad delo yada and being asleep how does it work?

As we know a person sleeping is exempt from mitzvos. So how can it be – as the Rema states famously – that while you are asleep you fulfill Ad delo yada (having drunk until he doesn't ...
4
votes
1answer
70 views

What's the source for the phrase in Krias Shema al HaMitah: : …בְּשֵׁם יְיָ אֱלֹקֵי יִשְׂרָאֵל and to recite it 3x?

What's the source for the actual phrase that is cited in Krias Shema al HaMitah: בְּשֵׁם יְיָ אֱלֹקֵי יִשְׂרָאֵל: מִימִינִי מִיכָאֵל וּמִשְּׂמֹאלִי גַבְרִיאֵל וּמִלְּפָנַי אוּרִיאֵל וּמֵאֲחוֹרַי ...
0
votes
1answer
33 views

Kohanim slept on guard?

The very start of mishnayos maseches Midos mentions that the kohanim guarded the bes hamikdash in three locations, including bes hamokad, a room on the north side of the mikdash courtyard. The mishna ...
6
votes
5answers
356 views

If sleeping suffices for “ad d'lo yada”, why drink?

The Shulchan Aruch (OC 695:2) writes: One must become drunk on Purim until he doesn't know the difference between "arur Haman" and "baruch Mord'chay". The Rama (ad loc.) adds: But some say ...
0
votes
1answer
41 views

Latest time to say asher yatzar after bed time? [duplicate]

Say you said hamapil with shema and went to bed and immediately after got the urge to use the bathroom. Can you still say asher yatzar or once you head to bed you don't say asher yatzar until the ...
3
votes
1answer
85 views

Morning blessings when going back to sleep

I recite the birchot ha-shachar according to the Rambam, which is to say the first thing I say in the morning is elohai neshama, then I sit up and say matir asurim, etc. If I get up early in the ...
5
votes
0answers
77 views

Rabbi Akiva seeing Bar Kochba sleeping on his back?

I once saw it in some sefer that Rabbi Akiva saw Bar Kochba sleeping on his back (not on his side) and then he knew that he wasn't Mashiach. Does anyone know where this is written? I'm pretty sure its ...
6
votes
1answer
123 views

Why is sleeping with shoes on a taste of death?

The gemarah in Yoma 78b teaches that sleeping with shoes is a taste of death. This is also codified in halacha. I would like to understand why this is the case. What is it about sleeping with shoes ...
3
votes
3answers
1k views

Where is it taught that you can't sleep with socks

I remember hearing that you can't sleep with socks. I think Rambam stated this (correct me if i am wrong), but where in Rambam was it said and why do we do it?
3
votes
1answer
175 views

Is it true one shouldn't listen to music whilst falling asleep?

Does it have a source in Halacha, is it a Minhag or is it just made up?
5
votes
1answer
69 views

Covering eyes when saying Shema for children

When a child is too young to say the bed-time Shema for himself, the custom is that parents say it for them as they go to bed. Should the parent cover their own eyes, the child's eyes, or perhaps ...
3
votes
1answer
335 views

Should I wake my neighbour who falls asleep in the shiur?

The person sitting next to me in a shiur falls asleep because he worked hard during the day. What considerations are relevant to whether or not I should wake him? Assuming I did not wake him and he ...
13
votes
1answer
127 views

If kings get up at 3 hours past sunrise, wouldn't they need some extra time to say Shma?

Mishna Brachot 1:2 gives the times for saying Shma in the morning. מאימתיי קורין את שמע בשחרים: משיכיר בין תכלת ללבן; רבי אליעזר אומר, בין תכלת לכרתן. עד הנץ החמה; רבי יהושוע אומר, עד שלוש שעות, ...
8
votes
2answers
335 views

Sleeping between meat and milk

I have heard in the name of the Chasam Sofer that if one sleeps after eating meat that they can be lenient in the amount of time one would normally wait between eating meat and milk. Is this written ...
2
votes
1answer
94 views

Waking up fleishig [duplicate]

I once heard that you cannot wake up in the morning being fleishig, meaning if you go to sleep for the night, even if you sleep less than 6 hours (or whatever time you wait), you are pareve and can ...
7
votes
1answer
109 views

Who said many agados were to wake students?

Someone told me this morning that he had, years before, seen a commentary published in the back of a volume of g'mara, likely Maharsha or Maharam, say that many of the agados throughout shas were said ...
1
vote
1answer
118 views

Saying Asher Yatzar after Hamapil

If you say the bracha of Hamapil then you have to go bathroom, after you go bathroom are you permitted to say the bracha? Why yes or why no? Source?
7
votes
1answer
120 views

Sleeping at the Kotel on Tisha B'av

This Tisha B'av morning I was at the Kotel for shachrit, and I noticed a whole bunch of people sleeping there. I'm not talking about people who nodded off during slichot due to low blood sugar, I'm ...
3
votes
0answers
72 views

Praying after chatzot– which tefilot?

Assume that someone wakes up after chatzot; which tefilot are said?
2
votes
1answer
62 views

Sleeping Music during the Three Weeks

During the three weeks, may parents put on music that helps their children sleep? Perhaps there is a difference between before Rosh Chodesh Av and after Rosh Chodesh Av.
2
votes
2answers
197 views

Coffee and the Source for Reason for Staying Up for Shavuos

In a fascinating article , Elliot Horowitz credits the introduction of coffee for the spread of the custom of staying awake at night. In the 15th century, the drinking of coffee originated in Yemenite ...