Why Sleep is a Game-Changer for Midlife Women
- Susan King
- Oct 1
- 3 min read

If you’re tossing and turning at night in your 40s or 50s, you are not alone. Up to 60% of women experience sleep disturbances during perimenopause and menopause. These restless nights impact not just your sleep but also your energy, mood, hormones, and long-term health.
The good news is that by understanding the changes in sleep during midlife and adopting a few proven strategies, you can regain restful nights.
What Happens to Sleep in Midlife?
As hormone levels shift during perimenopause and postmenopause, sleep quality often declines.
Oestrogen normally supports healthy sleep, and its decline can lead to hot flashes, night sweats, and disrupted sleep.
Progesterone, known for its calming effects, also decreases, making it harder to fall and stay asleep.
Changes in your body clock, or circadian rhythm, may lead to waking up earlier than desired.
Additionally, sleep disorders like insomnia and sleep apnea become more common during this phase of life.
40–60% of women experience sleep disturbances during peri- and post-menopause (Sleep Health Foundation).

Why Sleep Matters More Than Ever
Sleep is not just rest; it plays a crucial role in your overall health. Insufficient sleep can increase risks for:
Heart Disease & Stroke: People sleeping less than 7 hours a night face a higher likelihood of cardiovascular issues.
Type 2 Diabetes: A lack of sleep can hinder your body’s ability to manage insulin levels effectively.
Mental Health: Over 26% of those with sleep issues report symptoms of depression and anxiety.
Weight Gain: Studies show that sleep-deprived individuals may gain 1.5 times more weight over six months compared to well-rested individuals.
Australians who regularly sleep less than 7 hours have a higher risk of chronic health issues (AIHW).

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