Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxic > Health-in-Motion 05 July 2017 Will fancy, wrist-worn sleep tracking devices help you get a good night’s rest? Will fancy, wrist-worn sleep tracking devices help you get a good night’s rest? A new study suggests otherwise. According to lead author, Kelly Glazer Baron of Chicago’s Rush University, these gadgets “don't do a good job of estimating sleep accurately”. She adds that “they are not able to differentiate between light and deep sleep". What’s worse, Baron’s research suggests that popular sleep-monitoring devices may actually reinforce poor sleeping habits among users, many of whom think that they are more powerful than reality indicates. 0 More: Daily Dose: This is why your vanilla or cinnamon flavoured e-cigarette is toxicHealth-in-Motion advertisement Other news Lifestyle New study reveals that your testosterone levels are based on your childhood rather than genetics Medical It's the beautiful game, but injuries can make it a dangerous one Diet and nutrition Can CLA supplements really help you lose weight? Sex This study on older adults’ sex lives proves your sex life isn’t doomed Fitness 5 easy Pilates stretches that’ll finally sort out your lower back pain Fitness 'I tried cryotherapy and this is what happened' From our sponsors Good health begins in your gastrointestinal (GI) tract WIN a R2000 Skin Renewal online store voucher! Congestion associated with sinuses can ruin your day Live healthier Preventing cancer » Could a blood test spot lung cancer early? More people should be screened for lung cancer Non-smoker? You are still at risk of lung cancer A frightening percentage of people who don’t smoke are being diagnosed with lung cancer every year. Your pet's health » How your dog can tell what you're feeling Why is my dog not eating? How to tell if your dog is faking a cough In case you're wondering, yes, dogs can fake a cough.