Do you know about ASMR?

If not, apparently it stands for Auditory Sensory Meriden Response

Apparently its a type of sounds that trigger a relaxing mood to people and helps them to relax or sleep etc.

Here is an example,
Is it haram for a male to watch this to help him sleep?

Or is it impermissible because its a woman?

If it dies not involve anything haram and it helps you sleep you can go ahead and use it.