You just skip breakfast (for example) & fasting sleep until 12pm. Since you skip breakfast = less foods intake. Since you fasting the whole morning = less foods intake. Since you sleep = you do not know the hungers pains. Since you hibernate = burn fats, proteins & carbohydrates energies to lose weight. You lose weight the easy ways. You just sleep & lose weight. You just sleep all the way to lose weight.
Especially after a meal. If you don't brush teeth, the phlegm at nose make you cannot breathe during sleep. If so. Then you need to wake up. Blow your nose (each nostril then both nostrils). Brush teeth. And go back sleep.
For best effects of Fasting Sleep Slim Down Diet Program. After you fast sleep breakfast. Do not over-eat rest of the meals like lunch & dinner. You may want to skip supper where you Fasting Sleep also the supper. Do not over-eat when you are awake. Or else your Fasting Sleep efforts go down the drains.
If you sleep many days all the time, your saliva not go down to the stomach. Instead go to your nose & become phlegm. You get blocked nose. So do not sleep all the time. You just sleep fast one meal breakfast per day. The rest of the time, go working part-time jobs, see movies, shopping, visit library, ...
When you Fasting Sleeping, you feel hungers. When you wake up, do not eat too full. Get use to the same hungers levels. Like that, you lose weight even faster.