This One Tip Could Lead to Better Sleep Looking to catch some quality zzzs when you hit the sheets? One new study suggests that taking a warm bath 1 to 2 hours before bedtime can improve overall sleep efficiency. A warm bath taken before bedtime could help you fall asleep 36% faster, according to the University of Texas. Don’t make that water too scalding hot. A bath with a temp of 102-109 Fahrenheit is ideal. How does a bath help you sleep? Getting out of a warm bath causes your temperature to drop, which is needed to initiate good sleep. If you don’t have time for a bath, the study finds that a warm shower can also help your sleep. What do you do to help you fall asleep faster?