Same time or three hours of sleep
Is it more important to take my temperature at the same time every day or after at least three hours of sleep?
Ideally, you will be able to take your temperature at both the same time and after at least three hours of sleep, but sometimes this is not possible. Do your best to meet the ideal as closely as possible. Whether or not you will have a more accurate temperature after sleeping the longest or at your usual wake-up time varies depending on your own unique metabolism. You will only really know after you have charted for several cycles and have experimented a little bit.