As a kid, I always slept with my head above the blanket. Around 10 years of age I noticed my father sometimes sleep with the blanket covering his head, and ever since, that's how I sleep 99% of the time.
Sometimes I go hybrid mode where I situate the blanket to be simultaneously covering my head, but also get good airflow.
Sometimes I go hybrid mode where I situate the blanket to be simultaneously covering my head, but also get good airflow.