Dead hangs are an excellent exercise to improve your grip strength and shoulder endurance, but they can sometimes cause dizziness or the sensation of almost passing out due to blood flow changes or holding your breath. From my personal experience, one of the most important things to remember is to keep breathing steadily and avoid holding your breath while hanging. This helps maintain oxygen flow to your brain and prevents the "sees stars" effect that can occur if blood pressure drops suddenly. I also recommend starting with shorter hang durations and gradually increasing the time as your body adapts. If you feel lightheaded or faint, try lowering your legs down slowly and sit or lie down immediately to allow your body to recover. Incorporating exercises that strengthen your core and shoulders can also help stabilize your body during dead hangs, reducing strain and discomfort. Additionally, make sure your overall hydration and nutrition support your workout sessions, as dehydration or low blood sugar can contribute to dizziness. Finally, listen to your body — if dead hangs consistently make you feel unwell, consult a fitness professional or healthcare provider to ensure you’re performing the exercise correctly or to explore alternative exercises.