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Any downside to working out while sleep deprived?

KingGheedora

Diamond Member
The past two nights I've only gotten around 4-5 hours of sleep. I know that recuperation-wise, sleep is important.

But are there any ill effects from working out while already sleep deprived (assuming that after the workout I will get enough sleep).
 
Originally posted by: KingGheedora
The past two nights I've only gotten around 4-5 hours of sleep. I know that recuperation-wise, sleep is important.

But are there any ill effects from working out while already sleep deprived (assuming that after the workout I will get enough sleep).


4 to 5 hours 2 days in a row isn't that bad, but obviously you can't workout as hard or lift as much if you are low on energy. It shouldn't affect you too much, but getting more sleep is ideal.
 
Originally posted by: Crono
Originally posted by: KingGheedora
The past two nights I've only gotten around 4-5 hours of sleep. I know that recuperation-wise, sleep is important.

But are there any ill effects from working out while already sleep deprived (assuming that after the workout I will get enough sleep).


4 to 5 hours 2 days in a row isn't that bad, but obviously you can't workout as hard or lift as much if you are low on energy. It shouldn't affect you too much, but getting more sleep is ideal.

Ehhh, I've been reading a lot of studies lately that actually disagree with you. Getting sleep is extremely important for both the mind and the body. As you get older, the optimal amount of sleep you should get decreases. In the 20-23 age range (methinks), it's recommended that the average person get 8.5 hours of sleep. I usually try to do this. I notice the effects both mentally and physically when I don't.

For example. The past 2 weeks, I've been getting around 6 hours of sleep a night for about 3 days a week. I did deadlifts two Mondays ago. My recovery was actually hindered quite a bit because of the lack of sleep. I notice this even on one night of poor sleep.

Sleep is perhaps the most underestimated necessity for healthy function. People say they don't have time to sleep, but could probably get more done if they took a couple of extra hours to actually try it. I know that I get much more done in a shorter amount of time if I'm well-rested than when compared to even slightly tired.

Personally, I attribute many if not most gym injuries for experienced athletes to lethargy and lack of sleep. When you're tired, you don't necessarily do things the same way. You either approach the exercises with less awareness or intensity, both of which really can effect what you do.
 
It also varies a lot from person to person....otherwise I would be a walking zombie and unable to lift a weight.
 
I dunno, I used to lift after shorter nights of sleep and it wasn't consistently worse. But I also did it first thing in the morning and then took a nap in the afternoon so maybe I just used up all of the energy I had available 😛
 
I went about two years of my life on 6.5 hours of sleep every single day, I think it varies from person to person, but all the research Ive done suggests 6.5 isn't enough. If you feel you have the energy I would say go for it.
 
The funny thing is often when I'm tired from not enough sleep I find that I have the best workout sessions but then working out energizes me. Of course this isn't always the case but it's the reason that still go to the gym even if I'm felling a little fatigued.

Isn't it the case that muscles grow when you are sleeping or at least at rest?
 
Originally posted by: Red Dawn
The funny thing is often when I'm tired from not enough sleep I find that I have the best workout sessions but then working out energizes me. Of course this isn't always the case but it's the reason that still go to the gym even if I'm felling a little fatigued.

Isn't it the case that muscles grow when you are sleeping or at least at rest?

Hypertrophy happens when sleeping mainly, yeah. Muscles aren't built in the gym. They're built in the bed 😛
 
Not sure. Like others said, it's probably not a good idea if you're weight lifting. My reps are a LOT lower if I feel tired and didn't get much sleep the night before.

However, cardio may be a good idea to get a burst of energy and feel more refreshed. Still, my body and brain feels 'off' after intense exercise combined with lack of sleep.
 
You might get a headache. I have exercised when I am really tired before and it just gives me a really bad headache.
 
Given my lifestyle, I rarely get more than 6 hours a night. Whether this holds me back or not I don't know, but I feel pretty good at the gym.
 
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