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![]() | To win a copy of Positivity: Groundbreaking Research to Release Your Inner Optimist and Thrive... |
| Sarah Heywood ★ (follow me) | Original Source | ![]() |
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A 6 minute clip on the dangers of caffeine and wine on your sleep cycle. Taken from the BBC programme "10 things you need to know about sleep". |
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sleep sleep_stages REM Kate_Silverton drugs
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