When your baby cries, many may boost the sound for several minutes to the level of the baby's cries. After they fall asleep, they then reduce the sound to around 65 dB.

If you press any other buttons whilst in CrySensor mode, you will turn off the sensor and your Ollie will stop listening. You can use OIlie, Bennie or Pip from birth to soothe a newborn and continue to use their lights and sounds with your child as they grow. You should place it near your baby so it can listen in CrySensor mode and so your baby can hear and see it.Our sleep bags have been designed to be snug up top and wriggly down below - slim fitting through the chest to enable full freedom of movement without restriction or excess bulk with a roomy, hip-healthy bottom to allow your baby to adopt a natural “frog-legged” sleeping position, which is important for correct hip development.

If you press any other buttons whilst in CrySensor mode, you will turn off the sensor and Ollie will stop listening. Ollie is a surface wash only toy due to his electrical components. Please do not put him in the washing machine or tumble dryer. Just wipe him over with a damp cloth. Do not use any chemicals as it may affect the fabrics or transfer to your child’s environment. If you activate the CrySensor, your Tommee Tippee Ollie the Owl Light and Sound Sleep Aid will listen out for baby through the night. If they cry or stir, your chosen sound will automatically play for 20 minutes to help comfort and settle baby. The CrySensor will listen for 3 hours, then automatically switch off if not activated. For babies, it can be used as a regular white noise machine while for adults it can help to calm anxiety. White noise is best played at short intervals like nap time, getting off to sleep, and sometimes even waking up.The Lullaby Trust recommends having a clear cot for your baby with no bumpers, toys or pillows. Ollie has a secure hanging loop which means he can be hung on the outside of the cot. Ollie can also be placed nearby outside the cot. It's always best to go through the settings and try a few sounds to see which one works best for your little one. Where to buy baby white noise machines in the UK The CrySensor is available on Ollie’s right wing and plays the Lullaby or White Noise static. The Heartbeat and Rainfall sounds are activated from Ollie’s left wing but do not have the CrySensor facility. Make sure your light and sound sleep aid is fully charged before first use. It will take approx. 5 hours to fully charge the battery. This cute and cuddly character attaches easily to the handle of your pushchair, changing bag or anywhere else that’s safe using the fabric loop, so there’s no fear you’ll leave them behind as you venture out and about.

Nursery or travel: Sit Ollie on bedside table or use Velcro fastening loop to secure to cot, pram or car. With four soothing sounds including heartbeat, pink noise, lullaby and waterfall, the Snuz is a cross between a cuddly toy, a nightlight and a white noise machine. White noise machines can be found at many departments stores and specialist baby shops. We would recommend the following retailers.

Pharmacy product

It has 24 different sounds, seven colour options and five levels of brightness depending on what you need it for. The perfect travel companion: This cute and cuddly travel sleep aid helps to comfort your little one in their pushchair, in the car or anywhere else when you’re out and about There are four light levels including no light, all of which can be activated via Ollie’s right foot.