Have you ever wondered why you always hit the snooze button for an extra 15 to 30 minutes of sleep in the morning? A whitepaper by Royal Philips (NYSE: PHG, AEX: PHIA), the global leader in lighting, has compiled insights from over 10 years of ongoing research1 on the effect of light on our sleep/wake cycle or “circadian rhythm”. It reveals that the amount and quality of light you are exposed to every day may be responsible for your Monday morning blues. Indeed, light ultimately dictates whether you are a morning person or a night owl.