Associate a distinctive smell, like lavender or a partner's perfume when traveling, with your bedroom to reinforce the brain's connection between that space and sleep.

The evidence that blue light blocking glasses prevent age-related macular degeneration is mixed, as it's unclear if lab results on cell death translate to the real world.

It's critical to distinguish between sleepiness, which is cured by sleep, and fatigue, an overwhelming tiredness that can indicate an underlying health problem.

Waking up in the middle of the night is a perfectly normal part of the sleep cycle; the real issue is when stress prevents you from falling back asleep.

It is 'spectacularly ironic' that the last thing we do before bed is stand in the bathroom, often the most brightly lit room in the house, which increases alertness.

Avoid charged conversations before bed, such as discussions about family finances, to prevent emotional stimulation that disrupts sleep.

Data shows that concentrating calorie intake at breakfast and lunch with a light, early supper is better for metabolic health and reduces the risk of obesity and type 2 diabetes.