Does sleep time matter?

Answered on September 12, 2014
Created August 14, 2011 at 7:42 AM

I get about 8-9 hours a night but i'm always tired the next day. I'm on summer break so i usually sleep from 2-3 am to 11 am. Would i do better for some (possibly paleo) reason sleeping 10-11 pm to 6-7 am. So i'd be getting the same amount of sleep at a different time but maybe circadian rhythm makes a difference. Does my body maybe want to sleep when the sun is down instead of what i'm doing now waking up hours after sunrise?



on August 14, 2011
at 01:22 PM

Due to work I used to do the same: quantity wise a good 7-8 hours but they were from that 2/3am onwards timezone. I never felt good on that even though the actual quantity of my sleep is pretty much the same now. I still don't bed too early but I find that getting into bed anywhere from 11pm to 12:30am works well for me.



on August 14, 2011
at 12:20 PM

You have answered your own question.

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4 Answers



on August 14, 2011
at 11:21 AM

From http://www.bulletproofexec.com/sleep-hacking-part-2-reboot-your-sleep-fall-asleep-fast-and-add-20-more-years/

Hit the sack before 11pm. There is a window between 10:45 and 11pm when you get tired. If you miss it, you get a cortisol-driven ???second wind??? that lets you be productive until 2am, or keeps you awake until then. You also get better sleep from hitting the before-11pm window, and wake up feeling more rested than getting the same amount of sleep starting later and sleeping in.

This might be your issue



on August 14, 2011
at 10:50 AM

In my experience and according to a lot I've read, going to sleep fairly soon after it gets dark and waking at dawn is ideal, and how we evolved to sleep. It can be difficult to adjust your sleep schedule backwards. Recommendations are often to adjust your schedule forwards by going to sleep an hour or half hour later each night (with corresponding waking time) until you are back on a regular sleep schedule.

I highly recommend you read Lights Out: Sleep, Sugar, and Survival by TS Wiley. Be aware that the writing is awkward, but the information is great.



on August 14, 2011
at 09:32 AM

less sun, maybe? my schedule has flipped backwards. I fall asleep when the sun comes up and sleep til 4pm, but I get solid sunshine and take vit D3, and feel ok once I get moving around. If it's brain fog, try L-carnitine.

I'm of the philosophy that u should sleep until u wake up. if you go make yourself go back to sleep (like thinking, "hell no, it's too early") that can mess you up. also, the routine change with nothing to do tends to deactivate the mind, imo.

on the otherhand, if you get adaquate sleep, and are still fatigues, don't blow it off. it could be a symptom. (I sleep all the time but am mostly insomniac. turned out to be hyperthyroid. took me 7 months and a different reason to finally go see a doctor.)


on August 14, 2011
at 08:15 AM

I find that I feel more rested if I wake at sunrise so I think you are correct.

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