8 Can Grounding Improve Your Overall Health? 5 Potential Benefits Grounding while sleeping (or earthing) may offer benefits such as improved sleep quality, normalized stress hormone levels, reduced inflammation, decreased pain, and a shift toward a more relaxed parasympathetic nervous system state. Research suggests that direct contact with the Earth’s surface during sleep can help balance cortisol levels, normalize circadian rhythms, and potentially increase serotonin, leading to more restorati