Forcing yourself to sleep is pointless
"We all have an internal clock, programmed for sleep at two particular times: at night, and in the early afternoon. Peretz Lavie, an Israeli researcher, has called these the “gateways into sleep”. For most of us, they are open between about 1 and 2 p.m., and above all between 10 and 11 p.m. The symptoms (or signs) that the gateway is opening are yawning, stinging eyes, stiffness in the neck and the onset of drowsiness."
I tried Arianna Huffington's elaborate bedtime ritual for a week and couldn't believe how well I slept
"After experimenting with Jack Dorsey's brutal morning routine, I was excited to try something that wouldn't leave me reaching for a third cup of coffee at 3 p.m."