33- You are here: [24]BBC > [25]Science & Nature > [26]Human Body & Mind > 34: [27]Sleep > Daily Rhythm Test 35- -- 37- 38: Daily Rhythm Test 39- 40: Our internal body clock governs our daily or circadian rhythm - telling 41- us when to wake up and when to feel sleepy. Circadian comes from the -- 61- (_) 10pm - 1am 62: 3) Considering only your own "feeling best" rhythm, if you were 63- entirely free to plan your day - at what time would you go to bed? -- 69- (_) 1.45am - 3am 70: 4) Considering only your own "feeling best" rhythm, if you were 71- entirely free to plan your day - at what time would you get up?