The device and the user experience is really nice, super polished and close to the level of a Bose QC35. The tracking is very precise, the most precise of any sleep tracker I've used so far, and could still be further improved. The deep sleep stimulation seems to be working a bit but not significant(10% increase).

Do sleep headbands work?

When the beeps from the headband sync up with the slow waves, it encourages the brain to produce more slow waves and sleep deeper.” While the results of the study show the headband works, more tests and studies will be needed to test the effectiveness of the technology, particularly in the older male population.

What is the dreem headband?

Dreem is a sleep device that monitors, analyzes, and claims to enhance quality of sleep. It's a miniaturized and autonomous headband that monitors the quality of sleep and then uses sound to help fall asleep faster, get deeper sleep, and wake up at the optimal time through smart alarm.