This image depicts a person lying in bed while looking at a smartphone in a dark bedroom, illustrating a common habit that can interfere with healthy sleep. Exposure to blue light from phones, tablets, and other digital devices before bedtime may suppress melatonin production, disrupt the body’s circadian rhythm, and delay sleep onset. Reducing screen time before bed and establishing a relaxing nighttime routine can help improve sleep quality and support better overall health. This image is ideal for articles about sleep hygiene, bedtime habits, blue light, circadian rhythms, insomnia prevention, and healthy digital wellness.