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Duvets

Is a 10.5 Tog Duvet Warm Enough for Winter?

A great night’s sleep shouldn’t be exclusive to babies and logs; we should all seek to sleep well since we spend roughly a third of every day in bed and sleep is so important to our mental and physical health.

These days, heating is increasingly expensive, so keeping warm in winter can be problematic, which is why choosing the right duvet to keep you warm over the winter months is so important. But what are tog ratings? Is a 10.5 tog duvet too warm or too cold? Understanding duvet ratings is crucial to choosing the optimum duvet for the sake of your sleep, so let’s get into it.

Understanding Tog Ratings

Duvets are classified on their ability to retain heat on a scale of 1 – 15, known as tog ratings. The lower the number, the less insulating the duvet; the higher the number, the more heat trapped and thus the warmer the duvet. While adults can choose a summer duvet of 1 to 7 tog, duvets that have a less than 4.5 tog rating are usually for children under 10, as they have a higher sleeping body temperature than adults, so require a cooler duvet.

The tog rating is given based on the material within the duvet as well as the thickness, as some materials are more insulating than others and duvets can come in all kinds of thicknesses as we all sleep differently. Duvets with natural fillings such as down, feathers and wool, are often thinner and lighter than their synthetic counterparts as they naturally hold onto heat better.

Silk duvets, on the other hand, are measured in grams of silk rather per m2 than tog. To equate a silk duvet to other materials, approximately 250 grams per square metre is appropriate for children at a less than 4.5 tog rating, and more than 600 grams per square metre would be for Winter weather at a tog rating of more than 10.

The most common tog ratings are:

  • 4.5 tog, for Summer and people with high sleeping body temperatures
  • 7 tog, for people who still feel the cold in summer and hotter sleepers in Spring and Autumn
  • 10.5 tog, an average tog rating for year-round use or hot sleepers in Winter and cold sleepers in Spring and Autumn
  • 13.5 tog, for Winter use to stay warm and cosy.
  • 15 tog, the hottest duvet for the coldest months and people.

Duvet Fillings

There are natural and synthetic fillings for duvets, each with beneficial properties. Feathers, down and wool are all naturally insulating as they keep animals warm outdoors in all weathers. Down comes from the breast of the bird – usually duck or goose – and is made up of smaller, denser feathers, so it retains heat even better than outer feathers. Down from colder countries such as Canada and Sweden are very popular as the animals require even more insulation than their southern European or American relatives. Wool and silk are also naturally moisture-wicking to remove sweat in the heat and keep you warm in the cold, as well as being a great option for people with allergies.

Synthetic duvet fillings are known as hollowfibre and microfibre and are exactly as you imagine. Hollowfibre is made up of hollow fibres which trap air to create insulation, and microfibre has very thin fibres to create a lightweight, soft duvet. Some microfibre duvets replicate the comforting feeling of down for a greater night’s sleep.

Best Winter Duvets

Overall, anything over a 10.5 tog is the ideal duvet for Winter, however this of course changes according to the type of sleeper and the size and temperature of the bedroom.

Cold sleepers should have a duvet with a high tog rating, definitely over 10.5, with 13.5 tog being a safe bet, while hot sleepers shouldn’t go over 13.5 tog even in Winter and should choose a 10.5 tog duvet instead.

If you live in a warm climate or have a small bedroom that traps more heat, a duvet with a tog rating as low as 7 can still be ok, although anything between 7 and 10.5 tog will be the best choice. Conversely, if you live in a cold climate or have a large spacious bedroom that loses heat, or perhaps you have an old house with poor insulation, you should choose at least a 10.5 tog duvet, ideally 13.5 or the warmest tog, 15. Regardless of the weather outside, an overnight temperature of less than 18 degrees in your bedroom is cold enough for a 15 tog duvet, unless you’re a particularly warm sleeper.

For children, the grading is different, as their sleeping body temperatures are higher so a high tog duvet can make them uncomfortable overnight and even lead to overheating and health problems. Babies under one year should have a blanket designed for a cot as this will have your child’s body heat in mind to keep them safe and comfortable. As children grow the tog of their duvet should increase, although children under ten years old shouldn’t have a duvet of more than 10.5 tog.

Is a 10.5 Tog Duvet Warm Enough for Winter?

10.5 tog duvets are the most suitable duvets for all adults over Winter, so if you’re looking for a duvet for your guest bedroom so you can cater to everyone, 10.5 tog is the best choice of duvet for you. However, if you’re investing in a duvet for yourself, you have to assess your overnight body temperature as well as the temperature and size of your bedroom in the Winter months. For children under 10, a 7.5 – 10.5 tog duvet is perfect.

You should also consider the size of your duvet, however, as buying a duvet that’s one size bigger than your bed can help keep you warmer as you’ll be more covered, especially when sleeping with a partner. Or, you can both buy your own duvets according to your individual preferences to avoid one of you overheating or freezing and stop any arguments about who’s stealing the duvet.

Best Year-Round Duvets

Nights in the UK can be very cold in Winter and relatively mild in Summer so the temperature difference can be drastic, particularly if your house isn’t well insulated. But duvets can be expensive and having multiple can be inconvenient both financially and in terms of storage space in your house, so many people opt for a year-round duvet.

For year-round duvets, there are two main options:

  • A 9-10.5 tog duvet – the Goldilocks duvet, not too hot or too cold
  • Attachable duvets so you can have a 4 tog duvet through Summer, 9 in Autumn and attach the two together as Winter draws in for a 13 tog duvet for very cosy nights.

Which you choose depends on your budget and your preference according to your own comfort and sleeping temperature, however, if you’re looking for one duvet to use every season and you’re neither a very cold nor very hot sleeper, then a 10.5 tog all-season duvet can see you comfortably through Summer and Winter.

When to Switch Your Duvets

If you have a summer duvet and a winter duvet, you’ll want to change them before you start to feel too hot or too cold overnight and endure disturbed sleep. There’s no exact day you should switch to your winter duvet as it depends on the climate and how you feel, however, it’s best to get the winter duvet out before it’s too late and you spend nights shivering.

In the UK there can be a drastic temperature shift from summer sun to wintery frost, so September can be the best time of year to get out the winter duvet as the temperatures are steadily dropping after summer, without yet reaching the chilled nights that October brings.

As a general rule, not factoring in the size or temperature of your bedroom, or how hot or cold you are personally at night, you should opt for duvets within these ranges for each season:

Buy the Best Winter Duvets

Your sleep is very important to your overall health, so why compromise with a duvet that isn’t right for you? At Bedding Comfort Store we want everyone in the UK to have a great night’s sleep. Browse through the best winter duvets here

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