There’s nothing like the content yet tired feeling that comes after spending the day outside in nature. Perhaps you’ve felt it after a day spent in the park with friends or enjoyed a relaxed evening after exploring the countryside for a couple of hours. Head to the coast for a day or hike your way through greenery and you’ll probably start yawning.

Whether it’s blue or green space, being outdoors and surrounded by nature seems to slow you down a little. We know that being outside can have a positive effect on our mental health and overall wellbeing, but do those benefits help us to nod off, stay asleep throughout the night and wake up feeling refreshed?

To find out more about the possible link between nature, fresh air and sleep, we spoke to Max Kirsten, resident sleep expert for the mattress and bedding brand Panda London.

Why do you always feel so sleepy after spending time outdoors?