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The Sleep System

The Sleep System

Mattress, Pillow and Mattress Protector

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The 5 little monkeys sleep system has created the ideal sleeping environment for your child. Our system includes a triple-layered mattress made using CertiPUR-US® certified memory foam, waterproof mattress protector and custom fill pillow.

The mattress has cutting-edge temperature regulating technology to keep little bodies comfortable and cozy.  The removable and washable mattress cover, made with organic cotton, ensures years of good sleep hygiene.  For added protection and comfort, our waterproof mattress protector is made with soft organic jersey knit and comes alongside a custom filled pillow, which is anatomically correct for smaller bodies. 

Make Sweet Sleep More Than a Dream

Designed to Address Issues That Keep Kids From Good Rest

The Sleep System
  • Toxin Free & Allergy Proof

    Our mattress is made using foam that is CertiPUR-US® certified, and the included waterproof mattress protector creates a barrier to keep allergens out. So kids can breathe easy and rest peacefully.
  • Waterproof

    Anxiety will never be a bedtime problem here! Our waterproof, stain-resistant mattress protector and our water-resistant cover make sure accidents will always be what they should be—no big deal.
  • Cradling Support

    Our mattress and pillow include a unique cradling technology to reduce restless movement and uncomfortable sleep positions. Our mattress also features adaptive pressure relief for consistent weight distribution.
  • Temperature Responsive

    Our mattress has an open-cell structure to enhance air flow, and a Dual Phase Change Gel technology that adapts according to a child's unique temperature regulation needs. So little bodies stay comfortably balanced from head to toe.
Anatomy of the Perfect Bed
  • Kid-Customized

    • Ideal fill design for correct spinal alignment
    • Machine washable
    • Hypoallergenic
    • Cover made with organic cotton
  • Kid-Proof

    • Waterproof & stain resistant
    • Securing bands for ease and durability
    • Machine washable
    • Hypoallergenic
    • Made with organic cotton jersey knit with non-toxic waterproof backing
  • Mattress

    • Cover is removable, machine washable, stain- and water-resistant. Made with organic cotton and a heavy duty zipper to withstand multiple washings.
    • Comfort Layer made with high-density, open-cell memory foam increases airflow and provides advanced cradling technology to reduce restlessness.
    • Dual Phase Change Gel regulates body temperature by absorbing and channeling heat away from the body to maintain optimum sleep temperature.
    • Support Layer made with Responsive Memory Foam provides exceptional support for ideal sleep posture. The open-cell structure produces breathable and odorless foam.
    • Durable base layer strengthens layers above for comfort and resilience.
  • Perfectly Sized
    & Ideally Safe

    • Twin Size: 39” × 75” × 8”
    • Full Size: 54” × 75” × 8”
    • 8” low profile height is ideal for platform beds, daybeds, trundles and bunk beds.

Take the 100-Night Rest Test. Risk Free.

We've designed the 5 Little Monkeys Sleep System to perfectly suit kids in every way, and we're so confident you'll love it that we welcome you to try it 100% risk-free. Try our kids mattress for 100 nights. If you aren't completely satisfied, we'll give you a full refund – no questions asked.
100-Night Rest Test
15-Year Mattress Warranty
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