I am being told to go to PT by the command on only 4-5 hours of sleep. As a junior enlisted, how do I solve this problem?

You need to suck it up and follow orders. PT is for your benefit, i wish that my current employer paid for me to stay physically fit. If you don't like this answer, you are in the wrong profession.

I'm guessing that I don't have to ask that you've never been in combat. You do your job no matter how many hours that takes, rest when you can, and start again. No time outs, no "do-overs" and absolutely no excuses. My suggestion to you is doing your shift, go to PT, hit the rack & quit whining.
MAJ. L. Koppes U.S. Army (Ret)

When you're in combat you sleep when you can, no matter how many hours you've been up. You do your job. So, my suggestion is to do your shift, go to PT, then hit the rack & quit whining. - Maj L. Koppes U.S. Army ((Ret)

what stops you from going to sleep off PT?

You need to use the chain of command, that's why it's there. Whoever is in charge of your section should be handling this, not you. Now if by chance you are the one in charge of your section, then it's up to you to address this issue (on behalf of the section) with the first sergeant. Don't go to him with a problem unless you also have a solution. On the odd chance that he turns a deaf ear, be prepared to respectfully request to speak to the company commander on behalf of your section. Don't make this about you.

I disagree with most of the comments in here. If you are working 1600-0000, and the first pt session available is 0530, naturally that's only 4.5hrs of sleep. Regulations say that service members require at least 7hrs of sleep. Sleep is a required commodity as is food and water. If 1sg wants pt at only 0530 or 1600, then they should reconsider the shift schedules to align with PT. It is unreasonable to expect a person to have their personal time between 0000 and 0430 when everything is closed dont be stupid. Regulation wise 600-20, tradoc 350-6(pg 52) I know its tradoc, but i think there's a compatible forscom reg.

Not sure how you're not able to make PT. You can do the 0530 PT; take a nap after work and before PT. Then sleep during the day. Like everyone else is saying, work on your time management.
I was in the Navy and I was my divisions PT coordinator. I made PT mandatory. I couldn't risk anyone out of shape or getting heavy. I worked in the engine room on the ships and we had to be able to escape through hatches.
When we were underway I stood the 1800-2400 watch, mustered at 0700 for work, done with workday at 1600, and back on watch at 1800-2400; this could be anywhere from a week underway to months.
Guess what? I still found time to sleep and PT; plus, working out made it where I could function properly on 4-5 hours of sleep daily. I told my boys it didn't matter if we were underway or not, PT was mandatory; most of them had a lot nicer underway schedule than I did. I told them if I could PT on the little time off I had, they sure AF could too.
Not to be a jerk but quit complaining, go to PT, and learn better time management. Like others have said, if you deploy, 4-5 hours of sleep is a luxury.
Welcome to the military kid!

Go to PT?

I'm an old soldier and can't believe I'm actually reading a post like this. Don't want to sound like you're whining? You are!

Fallow instructions, do as you told, report to your first line supervisor and let him or her know of your situation.

You said the unit has a new 1SG and Cdr. Since the 1SG knew that folks weren't going to PT, I'm going to figure he was with the unit for at least a week before the PT schedule was mandated. That Commander and 1SG had to set the tone for their new unit, and the expectation that the unit will comply with and meet Army Standards. As new to the unit leaders, it's difficult to go from being the easy nice guy to realizing you have to be a hard a$$. It's much easier to go from two mandated PT formations and every soldier is going to be there, to allowing soldiers to adjust their PT time once a pattern of attendance is demonstrated. BTW, I don't see this as a case of "toxic Leadership" of a 1SG and Cdr. I would consider this a failure on the part of the Platoon and Section Sergeants who should've been doing their friggin job by taking care of their soldiers and getting them involved in PT, even if it meant they had to do it themselves at an appropriate time, or better, set up a roster and use it to train future leaders by example and doing. Excuse me if as a retired MSG I would expect my junior leaders to do their job.

I too expect that when PT attendance returns to where it should be, and the responsible NCOs return to what they should be doing, the 1SG will be more amenable to other PT times, or a shift doing PT together at an appropriate time for their schedule with a responsible NCOIC that keeps soldiers accountable.

In the meantime, as one who is a morning person, up at 0600 even as a teenager, and doesn't do well after 2100H, I can relate to your sleep schedule trouble. We've all had times and will have times we've had to work around this, or push on with little sleep. You have to find a way to work around it, and sometimes you have to learn to "soldier on". In the meantime, try getting some sleep immediately after your shift, and take an hour or two nap in the afternoon. You might find you like it better.

The best to you in your career.

Do the best you can take it one day at a time and be glad you have health care and remember why you are where you're at
you are in the army you are not in a civilian job;)

What are the others doing on your work rotation? Are they unable to do PT for the same reason? Is your squad leader or FLL available?

Go to the medic if you hava medical problem related to this otherwise, yeah shit sucks sometimes.

Not trying to sound insensitive but I worked with my CO a full bird who came in at 0500 and did PT with us at 0600 go to work then left at 1800 and he would then go home with his family and be Boy scout master then get up and do all over. Just remember in combat you won't get set sleeping schedules. Why you think we drink so much coffee. Keep chin up this will soon pass and it won't bother you anymore.

Did they actually tell you " You only get 4-5 hours of sleep " Or did you, go out the night before, knowing you had PT in the morning? If you went out, it's all on you, not your commands fault, that you can't manage your time.

Get your lazy ass out of the rack do your PT and then go back to bed. You are a pussy!

You're whining --- suck it up, li'l buddy.

Are you the only in your platoon working these hours? 4 hours of sleep long term on a regular basis isn't a great situation. If there are others working the same hours, I would suggest you as a group go up the chain of command and request an alternate PT time so you can be more alert to work your shift.

Done it many a times during my 20 year tenure. Makes a man out of you and a better soldier. But, it seems you need to make better with your time management. No need to whine, suck it up and think how good you'll feel when work is done and you can go rest.