"Plants, especially spider plants, aloe vera and peace lilies, are good at absorbing and recycling stale air.6.)Guzzle water We all know how important it is to drink water, but studies show that even a two per cent drop in hydration can reduce energy levels by 20 per cent.This is because insufficient water in your body causes a reduction in blood volume, which means that less oxygen reaches your mu" . . . . . .