Sleep Time uses a 90-minute cycle to help users set their alarm to a time that will help them wake up rested and refreshed. The tool can estimate the ideal bed or wake-up time using a fine-tuned formula.
Sleep Time uses a 90-minute cycle to help users set their alarm to a time that will help them wake up rested and refreshed. The tool can estimate the ideal bed or wake-up time using a fine-tuned formula.