Sleeping feels like the body is floating, consider the quality of sleep is not high, neurasthenia caused. 1. Poor quality of sleep: there are many factors that affect the quality of sleep at night, such as mental stress during the day, anxiety, etc., it is recommended or regular work and rest, to develop good habits, you can listen to some soothing music before going to bed, or appropriate light exercise, helps to relieve the nerves, fast asleep, improve the quality of sleep. 2. neurasthenia: sleep feeling the body floating to consider a neurasthenia. Usually will also be distracted, easy to anxiety, sleep shallow easy to wake up. You can moderate more exercise, try to avoid staying up all night fatigue, life should be regular, you can eat a bit of tranquility brain oral solution, you can also take the regulation of nutritious nerve medication, such as glutamine and B vitamins, before going to bed with moxa leaf soak your feet. If you sleep and feel the body in the floating feeling for a long time without relief, it is recommended to go to the regular hospital to check the body, clear cause of the active treatment, so as not to miss the condition.