THEY may be considered lazy, but late risers rejoiced this week when it was revealed their weekend lie-ins could be saving their lives. Scientists found catching up on sleep could cut the risk of heart attacks and strokes by up to a fifth. But a lie-in is not the only frowned-upon activity that has physical and mental health benefits.

Laura Stott takes a look at the so-called bad habits that can actually be good for you. Sunbathing NO one suggests that basking in the hot sun for hours on end without SPF is good for your health. But studies show that small, limited windows of direct exposure to UV rays can be beneficial, especially for those of us who reside in gloomier regions.

READ MORE HEALTH NEWS Scientists recommend ten to 15 minutes – or up to 40 if you have darker skin – of sunlight a day during the spring and summer months to boost your levels of vitamin D and improve mental well-being. Chocolate GOOD news for chocoholics – a few squares a day can improve your heart health. The catch is that the chocolate must have a high cocoa percentage.

Benefits include lower blood pressure, increased circulation and a reduced risk of clotting thanks to crucial antioxidants in the cocoa. Dark chocolate has less sugar than the milk variety, and is packed with skin-aiding magnesium, iron and copper. Most read in Health Slobbing out TAKING time out to relax can help improve your ability to concentrate and focus on tasks, which in turn can boost your creativity and problem-solving.