The first hint to crack the puzzle "This part of the brain controls sleep, alertness" is:

It is a word which contains 8 letters

The second hint to crack the puzzle "This part of the brain controls sleep, alertness" is:

It starts with letter t

The third hint to crack the puzzle "This part of the brain controls sleep, alertness" is:

It ends with letter s

Looking for extra hints for the puzzle "This part of the brain controls sleep, alertness"

Click on any empty tile to reveal a letter

The answer for the puzzle "This part of the brain controls sleep, alertness" is: