: Academic reviews focus on predicting and mitigating fatigue effects to prevent cognitive impairment in high-stakes environments. 3. Franchise References
: Harvard Medical School describes finding sleep "impossible" when biological systems like circadian rhythms and homeostatic sleep drives are out of sync due to jet lag or night shifts.
: People often caption their late-night habits with "Mission: Impossible - My Sleep Schedule" to highlight how difficult it is to get the recommended 7–9 hours of rest. 2. Scientific "Impossible" Sleep Scenarios