>>56513757For me in the UK, the maintenance period is 5:30 am to 10am. This means I can't check my sleep data after waking up like usual, but it's no big deal.
Check the in-game news or the site to confirm the maintenance period time for where you are:
https://www.pokemonsleep.net/en/news/313833373335353136333330343539313337/Also, apparently some 48 Japanese players figured out an exploit to somehow record up to 200 sleep score per-day. They're getting punished for it.
https://www.pokemonsleep.net/en/news/313234323838393938383039303130313737/ 