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Child safety

Fit the cot mattress without gaps

Use a firm, flat mattress of the correct size that fits the cot on every side without a gap that could trap the baby's head.

High-priority reminderChild safetySource checked: 2026-08-22
Unsafe: Using a mattress that is too small, too soft, or leaves a clear edge gap. Use a firm, flat mattress of the correct size that fits the cot on every side without a gap that could trap the baby's head.

Why it matters

A baby can become trapped between the mattress and cot and suffocate.

Wrong action

Unsafe: Using a mattress that is too small, too soft, or leaves a clear edge gap.

Correct action

Use a firm, flat mattress of the correct size that fits the cot on every side without a gap that could trap the baby's head.

What to do

  1. Check the area, equipment, and household arrangement before starting.
  2. Use a firm, flat mattress of the correct size that fits the cot on every side without a gap that could trap the baby's head.
  3. Stop and tell the employer if the situation is unsafe or unclear.

If something happens

For serious injury, unconsciousness, breathing difficulty, or immediate danger, call 999 and keep yourself safe first.

Sources and review

This page provides general home-safety information and does not replace medical, legal, electrical, or other professional advice.

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