The idea that consistently getting less than six hours of sleep can increase the risk of early death is supported by solid research from various sources. The Guardian article explains that people who sleep too little are 12% more likely to die prematurely. This study tracked over 1.3 million participants matches with findings from other sources. This research confirms that insufficient sleep is linked to serious health risks such as heart disease and metabolic disorders. Both not sleeping enough and sleeping too much can have negative effects on your overall health, so getting around 6 to 8 hours is important to live a healthy long life.