Eating Junk Food Linked With Reduced Deep Sleep Quality: Study

Uppsala University researchers find that consuming junk food negatively affects deep sleep quality, as observed in a study on healthy volunteers

NEW DELHI: Consuming an unhealthy diet is associated with a lower quality of deep sleep, according to a small-scale study.

Deep sleep, the third stage of sleep, repairs and restores necessary functions such as memory, muscle growth, and immunity.

Researchers at Uppsala University in Sweden analysed how junk food affects sleep. Healthy participants consumed an unhealthier as well as a healthier diet in a randomised order.

The study, recently published in the journal Obesity, shows that after eating junk food, the quality of the participants’ deep sleep deteriorated, compared with those who followed the healthier diet.