Webwake up short of breath? How sleep deprivation can lead to nausea. While nausea is a recognized symptom of sleep deprivation and disrupted. Webnausea (feeling sick to your stomach) is common. It is related to various conditions and even changes in diet. Some causes are eating a big meal, eating fatty or. Webnausea at night is usually a symptom of an underlying condition. Some of the most common causes include acid reflux, anxiety, medication side effects, peptic ulcers, or. Webnighttime nausea is a symptom of various conditions, including pregnancy, anxiety, side effects of medications, gerd, and gastroparesis.