Tracking sleep in the new Pokémon Sleep app helps people with their health and gaming habits. It is the new sleep aide for Pokémon lovers around the world and can be connected to Pokémon GO for benefits and rewards. Whether dozing off to a short nap or retreating for the night, Pokémon Sleep can be used twice a day to track a player's sleep cycle. By following the instructions on how to sleep properly with the Pokémon GO Plus + device, players will receive the progress they deserve while starting a healthy sleep pattern.

https://screenrant.com/pokemon-go-plus-how-to-track-sleep/