Why Am I Forgetting Words in My 40s?

Written with Autumn — The Change’s on-device AI perimenopause coach.

Woman working at a laptop pausing while trying to remember a word.

The short answer

A familiar word arriving a little late can happen during the menopause transition. Poor sleep or mood changes can make it more noticeable. It does not prove that you are in perimenopause—and it does not automatically mean a neurological illness. If the change is obvious, worsening or interfering with daily life, bring it to a healthcare professional rather than trying to explain it away.

What may be happening

Word-finding difficulty can feel like knowing exactly what you mean but not being able to retrieve the word quickly. You may lose a familiar name in conversation, pause during a meeting, swap one word for another or lose the thread while multitasking. Those experiences can be frightening, especially when they happen in public or at work.

The Menopause Society says complaints about concentrating and remembering are common during the menopause transition and that midlife cognitive function can be influenced by menopause symptoms such as sleep difficulties and mood changes. That makes the experience worth noticing, not an invitation to assume every lapse is hormonal.

What you might notice at work and in everyday life

A familiar word arrives a few seconds late during a presentation or meeting.
You start a sentence and lose the point when several tasks compete for attention.
You rely more heavily on notes, reminders or written follow-up.
Sleep loss, worry, low mood or a crowded schedule makes the problem more noticeable.
You remain able to recognise the word or idea once someone gives you time or a cue.

Why it can happen around perimenopause

Perimenopause is a period of changing cycles and symptoms, and Memory problems are listed among common menopause and perimenopause symptoms by the NHS. The Menopause Society describes the usual midlife changes as more subtle than the major loss of mental abilities associated with dementia, while still advising that obvious changes should be discussed with a healthcare professional.

There may not be one neat explanation. Sleep disruption, mood, stress, other health issues, medicines and the demands of work can all shape how easily you retrieve information on a particular day.

What may help

Make the task easier to hold in mind: write down the next point before a meeting, keep one note open rather than switching between several, pause instead of guessing and ask for a moment to find the word. Put important follow-up in writing. These are practical supports, not proof that you have a disorder.

For a week or two, notice when word-finding is hardest. Is it after poor sleep, during a stressful meeting, when you are multitasking or when your mood is low? You don’t need a perfect diary—the pattern is useful. The Menopause Society suggests staying physically and mentally active, maintaining social connection and reducing cardiovascular risk factors as part of supporting health; it does not recommend hormone therapy simply to improve cognition.

When to talk to a clinician

Arrange a conversation if the changes are persistent, clearly worsening, affecting work or daily life, or worrying you. Bring examples rather than a general label such as “brain fog,” and mention sleep, mood, medicines and other symptoms. A clinician can consider possible contributors without assuming that perimenopause is the answer.

If a sudden, severe change is happening or you feel acutely unwell, seek urgent medical help rather than waiting to see whether it passes.

Questions women often ask

Does forgetting words mean I have dementia?

No. Everyday word-finding complaints can occur in midlife and around the menopause transition, but a pattern that is obvious, progressive or affecting daily life deserves a professional assessment.

Why is it worse in meetings?

Meetings often combine pressure, multitasking, rapid turn-taking and the need to retrieve information aloud. Sleep loss or anxiety can make that load feel heavier. A work pattern is still worth describing if it is new or worsening.

Could poor sleep be part of it?

It can be. Sleep difficulties and mood changes are among the factors the Menopause Society identifies as influencing midlife cognitive function. That does not exclude other explanations.

Still trying to connect the dots?

If you’re trying to connect the dots between word-finding, sleep, mood or cycle changes, Autumn can help you describe the pattern and prepare a focused question for a healthcare professional. She is the private, on-device AI coach inside The Change—not a clinician, and she cannot diagnose.

Sources & evidence

Sources checked: 17 September 2026.