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.
While sleep requirements vary slightly from person to person, most healthy adults need between 7 to 9 hours of sleep per night to function at their best. Children and teens need even more. And despite the notion that our sleep needs decrease with age, most older people still need at least 7 hours of sleep. Since older adults often have trouble sleeping this long at night, daytime naps can help fill in the gap.