This habit may seem harmless, but it can really mess with your entire day (and night!). Source: Huffpost You’ve likely heard that a good night of sleep starts in the morning, and sleep experts agree with this statement wholeheartedly. This is because of our circadian rhythm, or our body’s natural sleep-wake cycle, which is a 24-hour process. “The circadian rhythm, your internal biological clock, operates on a roughly 24-hour cycle and dictates when you feel awake or sleepy, largely influenced by light exposure,” explained Dr. Chester Wu, a double-board certified psychiatrist and sleep medicine specialist. “Health behaviours in the morning reinforce a strong circadian rhythm, promoting wakefulness during the day and sleepiness […]