your hair at night, you may also have more time to let it dry naturally rather than rushing through your morning routine.
There’s one catch: going to sleep with soaking-wet hair isn’t necessarily ideal for comfort or hair management, so giving it enough time to dry is sensible.
Should the Water Be Hot or Cold?
If your goal is relaxation and preparing for sleep, the evidence is stronger for warm water.
Research on passive body heating suggests that warm showers or baths before bedtime can
support the body’s temperature changes
