Heartbeat sleep soft toys

Heartbeat and sleep soft toys

For nine months your baby heard sound without a break: your heartbeat, your circulation, your voice, the rush of your body. And then they are laid down in a quiet room. That difference is bigger than we tend to realise — and it is exactly why a soft toy that imitates the sound can help a baby settle.

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White noise, pink noise or womb sound?

These three get used interchangeably, and the difference is worth knowing because it decides what you buy.

• White noise holds every frequency at equal strength. It sounds like a radio tuned between two stations — effective at masking, but heavy on the high tones and therefore harsh to some ears.
• Pink noise is just as steady but puts less weight on the high tones. Rain, wind and surf sit in this range. Many parents find it easier to listen to, and it is what the sleep companions we sell actually play.
• Womb sound is not noise at all but a recording of what a baby heard before birth: a low, rhythmic rushing with a heartbeat in it. In the first months this often works best, because it is familiar.

The sleep companions from Moonie carry all three: five natural sounds — womb sound, wind, a forest stream, rain and sea waves — plus three lullabies, among them Debussy's Clair de Lune. Start with the womb sound in the first months and move to rain or waves once you notice your child is mainly being woken by noise in the house.

Does it actually work?

For one child yes, for another barely. What a steady sound does is mask sudden noises: the door that slams, the dog that barks, the brother who goes to bed later. That is where the gain is — not in the sound itself, but in what it drowns out.

It is no substitute for a settled routine, a dark room and a calm evening; those do at least as much. But for light sleepers, and in a house with a lot of noise, it genuinely helps.

Our own sleep specialist Douïna — childcare professional and sleep coach at Kideo Kinderdagverblijven — has written about it several times (in Dutch):

• Douïna on the smart Moonie toy
• Sleep tips around the clock change
• The holidays and your child's rhythm
• Learning to fall asleep independently, by children's sleep coach Maud Foolen

What is inside a Moonie sleep companion?

• A cry sensor. When your baby starts to cry, the toy switches on the last sound used by itself. The sensor then stays active for three hours, so it covers the middle of the night as well. Often that saves you a trip to the room.
• A one-minute recording function — your own voice, a song or a message. For some children a familiar voice works better than any sound.
• A night light in seven colours, warm and cool, with a shake mode: the light comes on with a gentle movement, so your child can wake it up themselves.
• Adjustable volume and a timer of 30, 60 or 90 minutes. It can also play continuously.
• USB-C rechargeable, cable included — no batteries.
• Organic cotton, suitable from birth, handmade in Europe.

Which one suits us?

The four sleep companions are identical in technology; the difference is the shape and the colours.

• Humming Bear — the best known, 28 × 16 cm, in six colours.
• Humming Bunny — the same, with long ears, in five colours.
• Humming Seal — the seal, in three colours.
• Humming Friend — in Bunny Powder, Bunny Cloud and Bear Cream.

Without the electronics, as a small gift or an addition, there are the Mini soft toy with sensory beads in its tummy, the small sensory teddy of 19 cm and the natural rubber teethers.

Cleaning: not in the washing machine

This matters, because the electronics are built into the toy. The sleep companions with a module cannot go in the washing machine — you wipe them clean with a damp cloth. Only the Mini soft toy, which has no electronics, is machine washable. Always check the label on the product itself.

Using it safely

Two things we always mention. The common guidance is to keep a baby's cot empty, so put the toy beside the bed or on the outside of the playpen rather than in it. Sound and light work just as well from there. For the point at which something may go in the cot, follow the advice of your child health clinic or doctor; that is the source to go by.

And keep the volume low. A background sound should be quieter than normal conversation and leave room for your voice to be heard. Do not place the device right beside your baby's head either.

Why it works as part of a routine

What we see in practice is that the gain often is not in the sound itself. After a while the sound becomes a signal — this is the moment to go to sleep — and that is where the difference is made. A sleep companion is no magic fix, but it is a good part of a settled evening routine.

Have a look at our other soft toys as well, the comforters for the very smallest, and the heat pack soft toys for tummy ache and cold nights.

Frequently asked questions

From what age can I use a sleep companion?

Moonie states: suitable from birth. Do keep a baby's cot empty and put the toy beside it rather than in it. When in doubt, follow the advice of your child health clinic or doctor.

Do these toys have white noise?

Not in the strict sense. They have five natural sounds — womb sound, wind, a forest stream, rain and sea waves — which sit closer to pink noise: the same steadiness, but without the sharp high tones of true white noise.

How loud may the sound be?

Quieter than normal conversation, and do not place the device right beside your baby's head.

Can the sound stay on all night?

Advice differs on this. You can set the timer to 30, 60 or 90 minutes, or let the sound play continuously. Many parents use the timer for falling asleep; others let it run because their child wakes when it stops. Choose what works for you and keep the volume low.

Will my child become dependent on it?

They may, and that is no bad thing — it becomes a sleep signal. If you want to phase it out, do so gradually by turning the volume down a little every few days.

Can the toy go in the washing machine?

No. The sleep companions with a module are wiped clean with a damp cloth. The Mini soft toy, which has no electronics, is machine washable.

Does it need batteries?

No, the module charges over USB-C and the cable is included.

What if it does not help?

Then something else is usually going on: a room that is too light, an irregular rhythm, hunger or a growth spurt. A sleep companion is an aid, not a solution to everything. If you cannot work it out, discuss it with your child health clinic or doctor.