Waking up at 5 a.m. = More productive?

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“Early bird catches the worm”. You may have heard that Apple CEO Tim Cook wakes up at 3:45 every morning. Nevertheless, most productive selves may actually have very little to do with the time we wake up.
A study from Brigham and Women's Hospital tracked the sleep patterns of 61 full-time students at Harvard College for 30 days, and compared their academic performance. Interestingly participants who have irregular sleep pattern performed worse than those who have the same sleep routine, regardless of the time he or she sleeps or wakes up.
We, students, got a lot of midterms and project deadlines and we often stay up late, believing that we could work more efficiently at night, yet ended up skipping classes in the next morning. Or we sometimes simply sleep the day through when we have day-off, thinking (mistakenly) that this could "compensate" our lack of sleep. Indeed, this report tells us that “consistency” is the key. To keep up our high working efficiency, we should understand our own biological clock (which differs from person to person), and pursue consistent sleep cycles. This can help optimize our inner system and boost our performances.
Committing to a regular sleep schedule is a smarter bet than trying to fake it as a morning person. Will you now re-consider your sleep schedule?