Ketosis occurs when you don't have enough sugar (glucose) for energy, so your body breaks down stored fat, causing ketones to build up in your body. Side effects from ketosis can include nausea, headache, mental and physical fatigue, and bad breath. It's not clear what kind of possible long-term health risks a low-carb diet may pose because most research studies have lasted less than a year.
Report Abuse. Yes it is very possible to only run on 3 hours of sleep. I usually average between 3 to 4 hours a day. Sleeping this all at once is ok but the real secret is to take an hour of it and take a nap mid-day.I can tell you that it is not for everyone and that often the ones that are able to do it have a high pain tolerance.eport Abuse. Yes it is very possible to only run on 3 hours of sleep. I usually average between 3 to 4 hours a day. Sleeping this all at once is ok but the real secret is to take an hour of it and take a nap mid-day.
For example, you may believe that you need eight hours of sleep and that you wonât be able to function the next day if you donât get that much. Some people do need an average of eight hours a night, but still can function fine after one or two nights of less sleep.