How Sleep Affects Your Productivity

A recent study by Sleep Health Institute at the Brigham and Women's Hospital published in Scientific Reports revealed that students who slept and woke up each day performed better in teaching than students who had irregular bedtime times. By studying 61 full - time students at Harvard University who kept sleeping journals for 30 days, researchers discovered sleep - length relationships, classification of sleep during the day, and academic performance during a semester.

Praising students ' sleep regularity from 0 to 100, researchers classified students into two groups: regular and irregular. The regulars got higher grades and the lower ones. Of course, unpredictable bedtime was harmful to student grades. In fact, every 10 points drop meant 0.10 on average.

The study revealed that the disorderists had a delay in releasing melatonin, the sleeping hormone. Melatonin helps regulate the pace of a person's sleep, deciding when a person sleeps and wakes up. For those at irregular times, researchers discovered three hours ' delay in releasing the melatonin and finally pushing their sleep rate.

We discovered that the body clock was postponed almost three hours later by students who had irregular times, compared with those who slept at the same time every night, Dr. Charles Czeisler, director of Sleep Health Institute at Brigham and Women's Hospital.

For students whose sleep and wake up were incompatible, hours and exams that were scheduled for 9: 00 a.m. were taking place at 6 a.m., according to their bodily watch, a time when their performance is weak, Czeissler explained.

And since we often link sleep deprivation with poor performance and productivity, the study found that grades were influenced by a person's match when he sleeps and wakes up.

Ironically, they did not save time because in the end they slept the same as those on a regular schedule, Czeisler concluded.