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Original poster

3.5 tog sleeping bag

4 replies

cheesychips15 · 03/01/2025 11:58

Does anyone use a 3.5 tog sleeping bag for a baby in a cold room?

My 7 month old had been sleeping through since 2 months old (sorry, not what anyone on the sleep forum wants to hear) but the last week or two since the weather has got colder she's been waking in the middle of the night. When she wakes up the monitor says the temperature is 16°C so I think she might be waking up cold.

I'm tempted to try a 3.5 tog bag, the only thing I'm worried about is that when she goes to bed in the evening her room is 20°C and it drops overnight so I'm worried she'll overheat.

The heating is on a thermostat, but the rest of the house doesn't seem to drop as low so it's not coming on. Her room has an air brick so I think it gets colder quicker.

Any ideas on how to keep her warm without overheating?

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Sagittarius25 · 03/01/2025 12:14

we have a small electric oil filled radiator heater in DS room this winter. it's on very low and the oil filled ones are safe as don't blow hot air. we keep it low and it ticks on and off all night with in built thermometer. his door is shut so it creates a stable temperature in his room. his room sits about 19/20 all night without the full house heating coming on and he manages fine in long sleeve vest, baby grow and 1.5 tog. he was the same, started waking overnight when the room temp was dropping going into winter.

goes without saying it's completely away from his cot so he wouldn't be able to reach it if he put an arm through the bars.

teaandkittehs · 03/01/2025 12:18

Ours is ok in a 2.5 with sleeves when it gets down to 16 degrees. I still worry she will get cold though!

LegoHouse274 · 12/01/2025 06:17

Some options:

You could turn their bedroom radiator down lower/turn heating off earlier so the room remains cooler for bedtime. Then it would be a more consistent temp and they could go straight in the 3.5 bag.

You could use an electric oil filled heater with it's own thermostat overnight as per PP and again keep it at a consistent temperature. We do this in our DC6's room over winter as it's the coldest room in the house and otherwise in cold spells goes down to about 15 overnight but the rest of the house doesn't need heating.

You could keep the central heating thermostat in your DC's bedroom overnight, so it will turn on as needed to heat the room. However then it will heat everywhere else even more too which you probably don't want/need, which is why we don't generally do this ourselves.

teaandkittehs · 14/01/2025 14:55

LegoHouse274 · 12/01/2025 06:17

Some options:

You could turn their bedroom radiator down lower/turn heating off earlier so the room remains cooler for bedtime. Then it would be a more consistent temp and they could go straight in the 3.5 bag.

You could use an electric oil filled heater with it's own thermostat overnight as per PP and again keep it at a consistent temperature. We do this in our DC6's room over winter as it's the coldest room in the house and otherwise in cold spells goes down to about 15 overnight but the rest of the house doesn't need heating.

You could keep the central heating thermostat in your DC's bedroom overnight, so it will turn on as needed to heat the room. However then it will heat everywhere else even more too which you probably don't want/need, which is why we don't generally do this ourselves.

You can turn other radiators off or down though to mitigate the fact that it's heating other parts of the house, i guess?

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