yes it is 9 hours long becase wance i stayed up and sawed how long it was and it 9 hours long
If you mean how long it is night time and/or a sun-less sky, then about 8-9 hours
it is recommenced that you should sleep at least 9 hoursa night
It's absolutely incorrect to study for long hours at night. Studying long hours at night will distort your sleeping schedule which may give you sleeping disorders or fatigue.
A night on Neptune lasts about 16 hours and 6.7 minutes. This is due to the slow rotation of the planet on its axis, which results in longer day and night cycles compared to Earth.
The day on Neptune is 16 hours long, so the average night would be eight hours long. this is bull and i am a hermaphrodite
They should sleep about 8 or 9 hours a night.
It is 12 hours each
8 hours
9 hours. 9 hours.
About 9-10 hours.
Well about 9 or 10 hours a night.
The duration of Long Night's Journey into Day is 1.57 hours.