Sleep Talking - Causes. Home >> Sleep Disorders Problems >> Sleep Talking >> Sleep Talking - Causes. Other Sections. Sleep talking may be brought on by stress, depression, sleep deprivation, day-time drowsiness, alcohol, and fever. In many instances sleep talking runs in families, although external factors seem to stimulate the behavior.
- Koalas are mostly nocturnal. Nocturnal animals are awake at night and asleep during the day. Koalas, however, sleep for part of the night and also sometimes move about in the daytime. They often sleep for up to 18-20 hours each day. - There is a myth that Koalas sleep a lot because they âget drunkâ on gumleaves.
1 Koalas can only be found in the eucalyptus forests of eastern and south-eastern Australia. 2  Their habitat quality can be measured by density of the food trees. 3  Koalas do not live in the rainforest.4  There are only 2,000 to 8,000 wild koalas in Australia at present. Koalas do not live in the rainforest. 2  There are only 2,000 to 8,000 wild koalas in Australia at present. 3  They can live to be 17 years old in the wild, but if they live near populated areas they usually have a shorter life-span because of accidents and disease.