The rare people with highly superior autobiographical memory (HSAM) might owe it to how they sleep.
Heres what youll learn when you read this story:
<ul><li>Highly superior autobiographical memory, or HSAM, is a remarkable ability that allows people to perfectly recollect every day of their life.
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<ul><li>Highly superior autobiographical memory, or HSAM, is a remarkable ability that allows people to perfectly recollect every day of their life.
… [+4264 chars]