One thing (ahem, of many) that I struggle with on a regular basis is lack of sleep.  Like seriously sleep deprived. If it wasn’t bouts of insomnia then it was extremely light sleep patterns. Then, add to this one pug puppy and boom. I. Am. Knackered. Exhausted. Worn out. Zombie! A study by Jawbone, the makers of the digital activity-monitor wristband UP, Tokyo is the world’s most sleep-deprived city, with residents averaging five hours and 44 minutes per night. Melbourne was the most well-rested with six hours and 58 minutes – still an hour short of the ideal eight – and probably closer to what the majority of us are getting, if we are lucky! A lack of sleep is also the absolute worst thing that we can do for our beauty regime. Think dry, dull skin. Tired eyes with dark bags. Dare I say it, wrinkles… “I call deep sleep a free form of cosmetic medicine,” says leading US dermatologist Dr Rachael Eckel. “Repair mechanisms within our cells respond to the body’s natural 24-hour clock, …