What can cause someone to become unresponsive while sleeping?

Several factors can cause someone to become unresponsive while sleeping, including sleep disorders like sleep apnea, which can lead to temporary interruptions in breathing. Other potential causes include the effects of alcohol or drug use, certain medical conditions such as seizures or strokes, and extreme fatigue. In some cases, underlying health issues like heart problems or neurological conditions may also result in unresponsiveness during sleep. If this occurs frequently, it's important to consult a healthcare professional for evaluation.