6:45 am – Sharpest blood pressure rise (sleep to waking state)
7:30 am – Melatonin secretion stops (time to get up)
10:30 am – High alertness (great time for important, detailed work)
2:30 pm – Best coordination (best time for operating heavy machinery, driving)
3:30 pm – Fastest reaction time (driving, work that involves quick response)
5:00 pm – Greatest cardiovascular efficiency and muscle strength (best time to pump iron, run)
6:30 pm – Highest blood pressure (bad time to start an argument, get stressed)
7:00 pm – Highest body temperature
9:00 pm – Melatonin secretion begins (good time to read, relax, and wind down from the day)