This educational infographic explains why many people experience difficulty falling asleep during the summer months. It highlights several contributing factors, including longer daylight hours that delay melatonin production, seasonal shifts in the body’s circadian rhythm, increased humidity, and elevated nighttime core body temperature. Together, these factors can make it harder to fall asleep, reduce sleep quality, and increase nighttime awakenings. The image is ideal for articles about seasonal sleep changes, summer sleep problems, circadian rhythms, melatonin, sleep hygiene, and creating a cooler, more comfortable sleep environment.