How does the lack of sleep influence our bodies hormonal balance ?

What are the keys to a better sleep ?

Finish the sentence
Sleep is non-negotiable .....

Why do we need sleep to learn ?

What does the word waterlogged mean ?

What is problem with time change ?

What should we do when we can't fall asleep ?

What has happened in the test groups ?

What are some common diseases caused by lack Of sleep ?

What could we do in the future to prevent them ?

Who classified  the lack of sleep as a cancerogenic ?

ARE YOU A LARK
OR AN OWL ?