Summer Morning Drowsiness Is Linked to "Core Body Temperature"; BAKUNE Explains How to Handle Air Conditioning and Bedding

TENTIAL released a summer sleep survey showing many people still feel sluggish in the morning despite taking heat countermeasures.

Experts said changes in core body temperature are key to both falling asleep and waking up refreshed.

The takeaway: not just cooling the room, but balancing air conditioning and bedding to manage temperature and humidity around the body.

Overcooling can also be a problem, so sleep quality depends on fine-tuning the bedroom and bed environment.