- The liver releases glucose,
- and the body secretes cortisol and adrenaline,
two hormones… which naturally promote wakefulness.
The result: a sudden awakening, sometimes accompanied by a feeling of tension or increased alertness.
Late meals, dinners too high in carbohydrates, or alcohol consumption can accentuate this mechanism.
The sleep environment: a detail that changes everything
Is the room cool, dark, and quiet?
It seems obvious, but these conditions remain essential.
Between 3 a.m. and 4 a.m., the brain becomes more reactive to external stimuli. Thus, a:
- Heating too high.
- draft,
- snoring,
- car passing
- or even a street light
may cause an awakening.
At this time of night, even the micro-movements of the partner have a greater impact.
And what about spirituality in all of this?
In some cultures, waking up at such a precise time is perceived as a spiritual sign: a moment of introspection, inner transition, or heightened intuition.
Although these interpretations may resonate with some people, modern medicine primarily emphasizes physiological and psychological mechanisms, not mystical factors.
When should we be worried?
Waking up early from time to time is normal. This may indicate:
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