what does nocturnal mean.?
363618
It means that you are predominantly active during the  night.\n\nhttp://dictionary.reference.com/search?q=nocturnal
247453
I heard a circadian rythm is actaully based on a 25 hour day when there's only 24 hours in a day. It means a person keeps wanting to go to bed one hour later than the night before and get up one hour later.
585979
It means no more bourbon and 'ludes before you hit the sack tonight. That's what it means. (lol)
867454
Its not needed. Its probably just a custom to sleep when its dark.
190713
The Tiger Cat, also called the Oncilla, is solitary and nocturnal.\n\nThe source has more wonderful information about this beautiful cat.
1153123
4 a.m.\n☺\nCan't sleep in the summer until dawn
1026960
not to sound too smart but the stars don't come out until night, why midnight because it is considered the middle of the night.
779680
Late night..that way nobody really knows..
226485
You reminded me of my childhood days. I used to ask my father the same Questions.\n\nClouds don't go any where during night. They are still there it only that there is not enough light for us to see them. Remember when you see moon light we see those clouds around or sometimes the moon hiding behind the clouds.
411929
Yes, but only at night.
307712
Bi monthly means every other month\nfortnightly means every other week.
411157
night? what's that? I sleep durng the day
843927
It probably means you are very restless and toss and turn a lot when you are asleep.  The reference to a 'banshee' is a little bit OUT THERE, however, unless you shriek during your sleep.
168689
The diffused light from the sky during the early evening or early morning when the sun is below the horizon and its light is refracted by the earth's atmosphere. \nThe time of the day when the sun is just below the horizon, especially the period between sunset and dark. \nDim or diffused illumination. \nA period or condition of decline following growth, glory, or success: in the twilight of his life. \nA state of ambiguity or obscurity
474942
If you are tired, go to bed. If you are not stay awake. Only you can awnser that question. Are you preoccupied with stuff? do you feel anxious?    I am awake because i like night....i dont know why i just do
330575
Because it is dark in the night. Our ancestors could not do anything but sleep when dark. And I think it remained in genes of the most, the custom. Nocturnal creations being the exception.
960562
sleep  like in "light sleep" = sonno \nsleep like in "a nine-hour sleep" = dormita\nwinter sleep = letargo\n\nto sleep = dormire\nto go to sleep = addormentarsi\nto put to sleep = addormentare\n\nto sleep with... (meaning to have sex with) = andare a letto con ...