They charge really quickly. I pop mine (2nd Gen) on for a bit in the morning while I'm getting ready, or in the evening while I'm reading in bed. Apart from tha

They charge really quickly. I pop mine (2nd Gen) on for a bit in the morning while I'm getting ready, or in the evening while I'm reading in bed. Apart from that I wear it all day and all night, largely for the haptic notifications and alarms.