Habitual time of exercise and diurnal variation in performance
| Author, year | Finding |
| Souissi et al 200237 | The time-of-day of exercise (6 weeks) affects diurnal variation in muscular strength and anaerobic performance, measured 2 weeks postintervention. |
| Edwards et al 200541 | Cycling the day before improved next day time-trial performance when performed at the same time-of-day. |
| Blonc et al 201040 | The time-of-day of exercise (5 weeks) did not affect diurnal variation in muscular strength. |
| Chtourou et al 201235 | The time-of-day of exercise (12 weeks) affects diurnal variation in muscular strength. |
| Chtourou et al 201236 | The time-of-day of exercise (8 weeks) affects diurnal variation in muscular strength and anaerobic performance but not body temperature (BT), measured 2 weeks post-intervention. |
| Imafuku 201638 | Exercise affected BT amplitude but not phase. |
| Kuusmaa et al 201639 | Exercise-type sequence and time-of-day (12–24 weeks) affects diurnal variations in performance after 12 weeks but not cortisol or testosterone. |
| Zbidi et al 201634 | The time-of-day of exercise (6 weeks) affects diurnal variation in muscular strength but not BT, measured from 48 hours postintervention. |