Neuroreport
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Multiple studies indicate that adenosine released in the basal forebrain during prolonged wakefulness could affect recovery sleep. It is still unclear which of adenosine receptors provide its sleep-modulating effects in the basal forebrain. ⋯ A1 receptor antagonist significantly reduced recovery sleep amount and delta power, whereas A2A receptor antagonist had no effect on recovery sleep. We conclude that adenosine can promote recovery non-REM sleep when acting through A1 receptors in the basal forebrain.