Harvard professor calls out ‘lie’ of needing 8 hours of sleep a night, says it’s Industrial Era ‘nonsense’

A Harvard professor challenges the conventional wisdom that 8 hours of sleep per night is necessary, calling it Industrial Era 'nonsense.' Scientists suggest sleep needs follow a U-shaped risk curve, indicating both too little and too much sleep can be problematic.

• →Harvard professor disputes the widely accepted 8-hour sleep requirement as outdated Industrial Era thinking.
• →Sleep research suggests a U-shaped risk curve where both insufficient and excessive sleep carry health risks.
• →The optimal sleep duration may be more individualized than commonly believed.
• →Traditional sleep recommendations may not be based on current scientific understanding.
• →Sleep quality and individual needs may be more important than hitting a specific hour target.