The ideal humidity for sleep for most people is somewhere between 30% and 60%. The exact level that will feel most comfortable for you will depend on your particular preferences, where you live and the temperature of your bedroom.

Both low and high humidity are bad for sleep. They cause discomfort and can worsen some health problems. Here are some tips to deal with the humid air of summer and the dry air of winter.

Winter blues can range from a mild feeling of sadness to more severe depression called Seasonal Affective Disorder. Here's what causes it and how to keep it from affecting your sleep.

Spending time outdoors can help you deal with the sleep problems that each season brings. From camping to picnics, here are some great outdoor activities that will help you sleep better.

From the cold nights to winter depression, winter can be tough on sleep. Here's how to sleep comfortably as the snow falls.

There is a lot to love about summer, but sleep is probably not one of them. Thanks to the sweltering heat, summer makes for uncomfortable, restless and sweaty nights. Here's how to sleep cool in summer.

Daylight saving time messes with your circadian rhythm, which in turn affects your sleep and possibly your health. Here are some tips for coping with these time changes.

With each season, specific allergens fill up the air and trigger allergy flare ups. Here are the most common seasonal allergies and when to be on the lookout for them.

Mold in the bedroom can cause allergy symptoms and ruin your sleep. Here are signs of a mouldy bedroom to look out for plus what to do if you find mold.

Seasonal allergies can ruin your sleep during certain months of the year. Here's a guide on what causes them and how to protect yourself.