The Slumbr Journal

Journal

Evidence-based clinical writing on insomnia, sleep medicine, and the patterns we treat. Reviewed by an HPCSA-registered specialist physician with sleep-medicine training.

Evidence based

Why am I tired but can't sleep? Hyperarousal explained

If your body is exhausted but your mind won't switch off, you may be in a state called hyperarousal. A South African specialist sleep clinic explains what's happening — and what...

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7 Jan 2026 · Slumbr Sleep Clinic