Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: Can you really be allergic to alcohol? > Health-in-Motion 28 September 2016 Everyone needs a good eight hours of sleep per night, right? Everyone needs a good eight hours of sleep per night, right? Well, actually sleep researchers don’t really know exactly what the optimal amount of sleep is, but most experts recommend that adults should aim for at least seven hours a night. Studies suggest that any less than that on a regular basis may increase the risk of heart disease, obesity, depression and early death. Sadly, surveys have shown that many people around the world routinely operate on less than seven hours, probably to the detriment of for their long-term wellbeing. 0 More: Daily Dose: Can you really be allergic to alcohol? Health-in-Motion advertisement Other news News You won't believe what Viagra was used for before ED Mental health Quick survey: Would you tell your boss about your mental illness? Medical 5 ways to protect yourself against fungal infections this summer News SEE: 7 gripping facts on surgery Fitness Are women naturally fitter than men? Medical Shhhh! Patients are sleeping From our sponsors Discover treatments that can help reduce acne What can I do to reduce or remove acne marks? Dementia and Incontinence: what you need to know WIN a R2000 Skin Renewal online store voucher! Live healthier Watch out! » Gross fungal infections you can pick up at the gym You go to gym to exercise. But make sure the only thing you pick up is a dumbbell and not one of these gross fungal infections. Holiday health » Your 10-step asthma holiday checklist Don’t let asthma ruin your summer holiday. Whether you are travelling or embracing the summer at home, make sure you plan ahead.