Sink into deeper sleep. Generously filled for endless comfort and support, helping you to sleep more deeply every night. The Silentnight Deep Sleep Duvet is generously filled with hollowfibre and covered in soft microfibre which results in a soft, cosy and lofty duvet that will envelop you with comfort. The Silentnight Deep Sleep Duvet is made right here in the UK and comes with a 5 year manufacturer's guarantee for peace of mind. The duvet is hypoallergenic which means it's kind to skin and does not include any contents likely to cause allergies, it's also machine washable at 40°C. Silentnight are the UK's most trusted bed brand with over 75 years' experience in creating products that offer solutions for every sleeper.