How Blue Light Affects Your Sleep? Do you find yourself feeling tired and groggy in the morning? Do you struggle to fall asleep at night or wake up in the middle of the night because your body feels like it is still on? If this sounds familiar, you should know that many factors can affect our sleep cycle. One common culprit for disrupted sleep patterns is the blue light spectrum. Blue light spectrum refers to any artificial light with a wavelength range around 460-490 nm. But what does this have to do with your sleep cycle? Well, when we're exposed to blue light before bedtime, it disrupts our natural circadian rhythm. Our body's circadian rhythm is a 24-hour or body clock, in other words, that tells our bodies when to sleep and wake up and many other biological processes in the human body. Blue Light Hurts your sleep cycle and sleep quality: Digital screens, smartphones, tablets, and computers, among other devices, emit the concerning blue light. This short, blue wavelengths cause the release of more cortisol in our brain, which helps us stay awake and alert. Blue light can reduce melatonin production. Melatonin is the hormone that makes you sleepy and helps your brain to wind down for the day. If blue light suppresses this hormone, it will not allow you to get enough quality sleep before bedtime. 1. People who use their phone or other devices with bright screens right before going to bed are more likely to suffer from insomnia than those who don't use these types of gadgets at night. This also causes difficulty in falling asleep and staying asleep due to a lack of adequate rest during the nighttime hours when our body should rest and recuperate after a long day. 2. Staring into mobile phones or computer screens containing LED lights over an extended period can lead to eye strain and fatigue or dryness. People who work night shifts, such as nurses and doctors, are particularly susceptible to the adverse effects of blue light. This is because of their exposure to bright hospital lights and even rotational shifts. Shift work disorder can then be a consequence of this exposure. 3. When it's dark outside, our body begins releasing melatonin to help us sleep better at night. However, when we are exposed to blue light in the evening hours, this can disrupt our natural circadian rhythm, causing an imbalance of hormones, leading us to fall asleep quickly or fully restorative deep sleep cycles. We may also experience feeling exhausted even if we have gotten a whole night's rest because of disrupted sleep patterns due to excess exposure to artificial lights in our home or workplace.