Our moods naturally cycle from their lowest point in the morning and highest in the evening, and this is independent of sleep deprivation.
本杰明H. 夏皮罗博士If you want to avoid waking up in a bad mood, try hitting the snooze button. According to a new 十大正规博彩网站评级正规博彩平台卫生 and University of Michigan study, a 5 am wake-up call may be worth sleeping through.
使用Fitbit数据从超过2,两年内有500名实习医生, the study uncovers some eye-opening science behind circadian rhythms. 发表于期刊 公共科学图书馆数字健康, the study found that the interns’ self-reported mood cycles hit their lowest point nearing 5 am and highest point around 5 pm. Staying awake for long periods of time made mood swings more intense throughout the day.
“Our moods naturally cycle from their lowest point in the morning and highest in the evening, and this is independent of sleep deprivation,本杰明·H说. 夏皮罗博士, lead author of the study and psychiatry resident at 十大正规博彩网站评级正规博彩平台卫生’s Dartmouth Hitchcock Medical Center. “The study suggests someone who’s been awake all night at 5 am should have an even lower mood than if they just woke up at 5 am. However, on a typical day, their mood at 5 am will still be lower than it is in the evening.”
研究ers measured the interns’ continuous heart rate, step count, sleep data and mood scores. They also estimated circadian time and time awake from minute-by-minute wearable heart rate and motion measurements. 作为实习生健康研究的一部分, a multicenter study across the United States involving first-year physicians, the interns also completed a daily assessment consisting of a single question: How was your mood today?
The data from the mood scores were then plotted against their circadian phase and their time awake. In addition to learning more about biorhythms, the study also underlines the value of wearables as a means of tracking mood disorders.
“Instead of resorting to invasive blood draws or body temperature monitoring, clinicians are able to obtain similar data from an everyday Fitbit,夏皮罗说. “在精神卫生保健机构, this opens the door for utilizing circadian rhythm metrics in everyday clinical practice.”
Our internal clocks seem to be naturally set for just how bright-eyed and bushy-tailed we might expect to feel at any given time of day.
“The study highlights the significant role our body’s clock plays in mood and introduces wearable technology as an exciting new way to explore these factors in mental health issues,丹尼尔·B说. 伪造者, 博士学位, senior author of the study and a professor of mathematics and computational medicine and bioinformatics at the University of Michigan Medical School.
Although the study only looked at a generalized model of mood in medical terms, 情绪的个体变化更为复杂. 其他因素, 比如社会动态, 日程安排, 和性格, 所有这些都在心理健康中发挥作用. In addition, this study had few participants who stayed awake more than 18 hours during a day. 此外, the researchers did not use validated emotional rating scales such as the Depression Anxiety Scale or clinical screening tools. 仍然, the findings seem to suggest we shouldn’t lose sleep if we’re waking up on the wrong side of the bed
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