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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12
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3answers
605 views

Limits to Dina Dmalchusa Dina

What are the specifications of Dina Dimalchusah? A more targeted question to answer would be: If I ripped off the label of my mattress — the label that says its removal is punishable by federal ...
6
votes
5answers
357 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 ...
4
votes
3answers
1k views

falling asleep on the left side to aid digestion

Kitzur Shulchan Aruch 71:5 reads, in part (translation my own): And it's good that he'll lie at the start of his sleep on the left side and at the end on the right side, as this is good for the ...
10
votes
2answers
215 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 ...
6
votes
2answers
554 views

Waking up in the middle of the night

If one wakes up in the middle of the night to relieve oneself, what is the proper procedure regarding washing and the brachos of asher yatzar and hamapil?
8
votes
1answer
273 views

Is it permitted to pray in underclothes that one slept in (underwear, t shirt) if outer clothes changed?

I hear there is an inyan not to pray in clothes that one slept in. I also heard the qualification that this is only for clothes meant for sleeping. (I don't have sources) Would something like boxers ...
8
votes
2answers
344 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 ...
1
vote
1answer
121 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?
10
votes
1answer
306 views

When does one stay up all night?

Can we get a complete list of occasions (dates or other occasions) on which someone (everyone, or just those with a particular circumstance) stays up all night (on purpose)?
6
votes
2answers
341 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? ...
3
votes
2answers
122 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 ...
3
votes
1answer
309 views

I sleep with tzitzis on. Is there any part of the body they shouldn't touch?

I sleep with my tzitzis on. Is there any part of the body the tzitzis should not touch?
13
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2answers
488 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 ...
8
votes
4answers
736 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?
7
votes
0answers
191 views

Chatzi LaHashem

I've been having this discussion with my friends and family about the Halacha of dividing Yom Tov into Chatzi LaHashem (half of the day devoted to prayer and learning) and Chatzi Lachem (half of the ...
7
votes
5answers
226 views

Do blankets need tzitzis?

Blankets have four corners. So, do they require tzitzis?
6
votes
3answers
252 views

Birchas HaTorah - everyone was awake all night

Suppose everyone in the Shul remained awake the whole night of Shavuos. What do you do regarding Birchas HaTorah?
5
votes
2answers
170 views

Sleeping on Food without a Bed

For example, if one is on an airplane, and puts food under his/her neighbors seat, and then the neighbor falls asleep, is the food permissible? Does the prohibition only apply where it's a bed, or ...
4
votes
1answer
85 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 ...
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
0answers
146 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. ...
3
votes
1answer
86 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 ...
2
votes
1answer
86 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 ...
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 ...
2
votes
2answers
129 views

How does the midrash know that the Jews had to be awakened for the giving of the Torah?

Considering the pretty obvious excitement, written in the Torah itself, that B'nai Yisra'el had about receiving the Torah, it seems contradictory that they would be sleeping on the day the Torah was ...
2
votes
1answer
106 views

While sleeping in a sukkah, are you exempt from prayer?

Someone engrossed in one mitzvah is sometimes exempt from certain other mitzvot. So, I wonder, based on a question from Reddit user GutsAndGlory2: While engaged in the mitzvah of sleeping in a ...
2
votes
1answer
220 views

Up all night Hoshanah Rabbah: why?

Why do we stay up all night on Hoshanah Rabbah, and what is its source?
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 ...
1
vote
3answers
428 views

Wearing tzitzis to bed?

I know many frum people wear tzitzis to bed, but a while ago a fellow told me that you should wear the tzitzis that you're going to wear the next day, because of an obligation to wear the same set for ...