---
title: "Kids sleep sizes — Learning Path | BedGuide"
description: "Cot to Single, then bunk or high sleeper — centimetres and safety checks."
url: "https://bedguide.co.uk/learn/kids-sleep-sizes/"
---

Learning path · 5 steps · about 20 min

#  Kids sleep sizes
 Cot to Single, then bunk or high sleeper — centimetres and safety checks.

 For: Parents and carers choosing kids beds (furniture literacy)

-  [01    Kids size journey  Cot → small single → Single
About 6 min · Open guide →](/sizing/kids-bed-size-journey/)
-  [02    Kids mattress basics  Fit and firmness myths
About 5 min · Open guide →](/sizing/kids-mattress-guide/)
-  [03    Cot and small single sizes  Exact centimetres matter
About 4 min · Open guide →](/sizing/cot-and-small-single-sizes/)
-  [04    Bunks and high sleepers  Space-saving structures
About 3 min · Open guide →](/beds/bunk-beds-and-high-sleepers/)
-  [05    Bunk vs high sleeper  Which layout fits the room
About 2 min · Open guide →](/compare/bunk-vs-high-sleeper/)

##
You’re ready when…

- You can state the mattress size in centimetres for the next stage
- You have read the product age/weight and guardrail rules
- You know bunk top beds are not for very young children

##
Common mistakes

- Assuming every “cot bed” mattress is the same size
- Choosing a bunk only for floor space without clearance checks

  [Start step 1 →](/sizing/kids-bed-size-journey/)

---

Source: https://bedguide.co.uk/learn/kids-sleep-sizes/ · BedGuide — educational encyclopedia, no affiliate commission. See https://bedguide.co.uk/editorial-policy · Report an error: https://bedguide.co.uk/corrections.