Have You Ever Felt Unusually Sleepy After a Haircut? You…

Have You Ever Felt Unusually Sleepy After a Haircut? You are not imagining it! There is no good evidence that cutting hair itself makes you sleepy. But several things that happen during a haircut can promote relaxation. First, scalp stimulation and gentle touch. Repetitive touch and scalp massage can activate the parasympathetic, "rest-and-digest," system and reduce arousal. Second, hair washing with warm water. Warm water and scalp massage can be relaxing and may make you feel drowsy. Third, repetitive sensory stimulation. The sound of scissors or clippers, gentle touch, and repetitive movement