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Hormonal · Sleep

Sleep disruption

Sleep that breaks around 2–4 AM in women over 35 is a biomarker story - usually progesterone, cortisol, or blood sugar, sometimes all three at once.

Feels like

Does this sound like you?

  • Falling asleep fine, waking at 2–4 AM
  • Night sweats disrupting sleep
  • Anxious wakings with racing thoughts
  • Tired but wired at bedtime
What to measure

The biomarkers that explain this symptom.

Grouped by the panel that tests them. We usually recommend running the top two panels together - patterns only show when you can see biomarkers next to each other.

Panel
hormones
See panel
  • Progesterone
    Progesterone is a GABA-ergic sleep stabilizer. Its luteal decline explains pre-period insomnia.
  • Cortisol (AM)
    A high morning cortisol with an early spike correlates with 3 AM wakings.
  • Estradiol
    Low estradiol drives night sweats. Variable in perimenopause.
Panel
metabolic
See panel
  • Fasting Glucose
    Nocturnal hypoglycemia wakes you; the adrenaline response follows.
Panel
nutrients
See panel
  • Ferritin
    Low ferritin worsens restless legs and fragmented sleep.
Patterns we see

Three common clusters.

Your specific pattern will be unique, but most people land in one of these.

01
Luteal insomnia
Worst 5-10 days before period, resolves with flow. Low luteal progesterone.
02
Cortisol spike
AM cortisol above 18, wakings at consistent 2-4 AM.
03
Perimenopausal night sweats
Variable estradiol, wakings with heat and dampness.
Ready to look?

Order the hormones + metabolic panels.

Running the top two panels together is what lets us see patterns. Add a third if you want a fuller picture - most people benefit from the trio.