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 6 things we learnt about testicular cancer with Cancercare’s Dr Greg hart Lifestyle Guys, avoid 'Rhino' sexual enhancement products, US watchdog warns Fitness 4 super easy hacks to reduce post-workout pain Medical 1 in 10 will develop eczema in their lifetime Medical Brisk walks may help, not harm, arthritic knees Medical Incontinence – has there been any progress in treatment options? From our sponsors Dementia and Incontinence: what you need to know Tell-tale signs you need a mattress upgrade Keen to win a R2 000 voucher? Good health begins in your gastrointestinal tract Live healthier Smoking dangers » Hubbly hooking lots of young adults on tobacco Hookah smokers are inhaling benzene Many young adults misinformed about hookahs Hookah pipes far from harmless, study warns In addition to toxic substances from tobacco and nicotine, hookah smoke exposes users to charcoal combustion products, including large amounts of carbon monoxide. Managing incontinence » 5 avoidable triggers that can make urinary incontinence worse Urinary incontinence is a manageable condition – here are a few common triggers of urinary leakage.