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