If you mean how long it is night time and/or a sun-less sky, then about 8-9 hours
Most birds sleep 4 to 5 hours a day. Birds will go to sleep after the sun sets. Birds awaken when the sun rises in the morning.
10
Sun bears typically sleep around 12 to 16 hours a day. They are mostly nocturnal, being more active during the evening and early morning hours. Their sleep patterns can vary based on environmental conditions and availability of food. In the wild, they often find sheltered areas to rest during the hottest parts of the day.
a lemming goes to sleep as soon as it gets dark and wakes up as soon as the sun rises. the lemming uses the sun to tell the time.
Sleep deprivation is not good for you in the long term
they don't sleep.
they dnt sleep
The word sleep has a long 'e' sound.
about 8 - 10 hours depending how long you let them sleep and how long you cover them
When do hamsters sleep? And 4 how long?!? What do they all day long?!? Do they ever sleep 4 a whole day?
i don't know when the sun is on Canada
The sleep attacks are about 10-20 minutes long