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Originally Posted by thaiduytrinh .....I feel it much easier to sleep during day than night at the same level of tiredness. I may sleep as long as 2 hours. I often condition myself to sleep around 30mins so as not to affect my night-sleep.
I always feel very excited and energized after my day-sleep even if it is only 1-hour long even if I did get only 4 hour-night-sleep the day before (I sleep around 7-8 hours a day). I'm just walking like zombie if I can not get my day-sleep. It sound like taking drugs, right?
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By the way, is it good to avoid those sugary products in our diet? 'cause I heard some people always bring chocolates to increase their sugar level when needed. |
Welcome thaiduytrinh!
I agree with all the advice here....
Regarding your daytime nap "habit"

, that's very interesting from the point of view of biphasic sleeping. It does seem possible, that for some of us, actually splitting sleep into two sections--a nap and a, usually longer, night time sleep period -- increases what I'd call sleep efficiency, the amount of rest/energy/etc which comes from a given total sleep per 24 hours. Maybe have a look at the threads having to do with polyphasic sleep logs (currently biphasic, but bi is poly after all

) and biphasic sleep, maybe you'd like to try something like this. Lots of good sleep links on these..
What you're saying here brings the suggestion to mind that maybe your sleep pattern tends towards the biphasic... (hey I'm not a pusher of drugs or sleep patterns, but hmm..... sounds like that a bit

)
Before going to a longer daytime "nap" schedule, I also did real well with "power naps" or "cat naps", a lot of people do...
Another thing you might want to try..(not knowing your daytime scheduling needs)
As has been said, part of this seems to be circadian rhythm related. If, for a while, you set your alarm for, say 6-7-8 hours (if you decide not to go "biphasic") or 4.5 to 6 hours (if you do decide to go biphasic, your 90 minute cycles are in there then)...
....so set your wake-up alarm for a particular number of hours after your usual go to sleep time (2-3-4am from what you said). Get up then, using bright light, water, exercise, discipline.. whatever gets you moving.
After a few days (?how many depends upon the person, pick something

), back up the alarm an hour earlier and live with it...you might well find yourself getting sleepy an hour earlier.
Then keep backing up your alarm, so that your sleep time shifts earlier. Does this make sense?
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Yes, I think it's good to avoid sugary stuff in your diet. Chocolate has caffeine as you most probably know. I stay away from coffee except first thing in the morning, don't have any of the other "energy" products containing caffeine and other stimulants, occasionally have some tea during the day but not much and this does not seem to bother me.
all best, keep us posted on what you find useful, we all learn from each other!
Ati