Is snail sleep test accurate?

Quasi. Snail sleep is to judge whether you are in a sleep state and the transition state between moderate sleep and light sleep through the tiny vibration of human muscles. Snail sleep needs to keep the software on, put the mobile phone screen down on the bed or next to the pillow, and then judge the sleep quality according to the action, which can perfectly monitor the user's sleep state, so the snail sleep measurement is accurate.