it really depends usually 1-2 hours at a time.
Frogs sit very still with their eyes closed so it is assumed that they sleep but no-on knows how long they sleep for.
2 to 3 hours.
How many hours does it sleep
they sleep for 10 hours a day they sleep for 10 hours a day
they need about 6 hours of sleep
Elephants sleep for 2 hours
if you mean how many hours you should sleep in a year it would be 3,650 hours of sleep for a regular year not a leap year
They sleep upto 18 hours a day.
about 10 hours of sleep
you must get atleast 9 hours of sleep
I sleep about 7 to 9 hours a day
Its compulsary for a teen ager to sleep 8 hours..
frogs usually sleep under rocks,deep lakes or maybey a pond!.....=/