81 votes

Sleeping solo in a double sleeping bag

In my experience, most standard single sleeping bags, are built so you can zipper them together to make a double. They are designed to zipper to an identical/matched bag, so don't count on buying to ...
James Jenkins's user avatar
74 votes
Accepted

Is it warmer to sleep with an empty bladder?

Humans have a few intuitions about how temperature, heat, and liquids work. These intuitions lead us astray for the specific case of a bladder full of urine. "Keeping Warm" / "Cooling down" The ...
Ryan Cavanaugh's user avatar
30 votes
Accepted

What sleep quality do you get in the outdoors?

Quality of sleep can depend on a multitude of factors. These are some of my experiences: Quality and appropriateness of gear Most people sleep poorly if they get too cold or too hot. Having a ...
DudeOnRock's user avatar
  • 7,491
26 votes
Accepted

Sleeping solo in a double sleeping bag

The parameters of your girlfriend would matter depending on the ratio of 'space' occupying, but let's ignore that for now. I would put a cord or something around it to minimize the space; air needs ...
Michel Keijzers's user avatar
25 votes

Have you slept outdoors in only warm sleepwear (no bag or quilt) at or near freezing?

I'm sceptical that it would be good, or efficient on packing. I have slept under cover (bus shelters, on wooden benches) in cycling gear suitable for the conditions, even for sitting outside to eat ...
Chris H's user avatar
  • 26.4k
19 votes

Have you slept outdoors in only warm sleepwear (no bag or quilt) at or near freezing?

No, we have not slept outside in near freezing temperatures in no sleeping bag and in only warm pjs plus a tent. But YES, we have done something similar. We have frequently slept outside without a ...
ab2's user avatar
  • 23.9k
16 votes
Accepted

Keeping a backpack from being stolen whilst sleeping in a tent

Storing the backpack inside instead of next to you won't provide a whole lot more security, in some crowded places where theft is more common it might be justified. Normally, if I am worried about ...
Charlie Brumbaugh's user avatar
15 votes
Accepted

Self inflatable mats: the more air, the more comfortable?

It depends on the thickness of the mattress and the ground below it. With a very thick mattress and a level ground, it's the opposite: Less air is softer/more comfortable.** The thinner the mat or the ...
imsodin's user avatar
  • 21.7k
14 votes

What are the pros and cons of air pads vs foam pads for backpacking?

Pads have several measurable characteristics that may be important for you when you make a decision: Weight. How much you carry is important if you actually carry it. Weights ranges from ~250g to ...
njzk2's user avatar
  • 2,630
14 votes

What are the pros and cons of air pads vs foam pads for backpacking?

Air Mattress Pros: Comfortable (Come in many varying thicknesses.) Warm (Some air mattresses are down-filled.) Compact (I have one air mattress that can pack down to fit inside a pop can.) Lighter (...
ShemSeger's user avatar
  • 53.5k
14 votes

Using paddles to support a bug net

Using canoe paddles to rig tarp shelters seems to be a common practice (e.g. see here or here). I would rig them as in the diagram below - as for an A-frame tarp shelter. I would expect you would ...
aucuparia's user avatar
  • 2,320
13 votes

Keeping a backpack from being stolen whilst sleeping in a tent

We hardly ever stay in a campground. We usually camp far from a trailhead, and far from the trail, in places where there are no official campsites. We have done this for decades, and nothing has ever ...
ab2's user avatar
  • 23.9k
10 votes

Is it warmer to sleep with an empty bladder?

From the viewpoint of physics it's exactly the opposite. You have taken some liquid and you have already spent some of your energy to heat up that liquid. This liquid increases your total heat ...
Džuris's user avatar
  • 217
10 votes
Accepted

What should one look for in a bivy sack?

Disclaimer: I go with tarps or tents instead of Bivy's but have used them before. Necessary: Protects you from water Protects you from strong winds Some ventilation (through openings or fabrics) to ...
cr0's user avatar
  • 4,003
10 votes

Keeping a backpack from being stolen whilst sleeping in a tent

I assume based on the [backpacking] tag and the phrases "miles away from civilization" and "most contents of a pack are essential" that you are specifically talking about back country camping and not ...
Barker's user avatar
  • 306
9 votes
Accepted

How to manage the risks of sleeping and cooking in a camper van?

The three risks that are relevant here are the risk of fire, suffocation and carbon monoxide poisoning I'll take suffocation first. A gas leak can exclude oxygen to the point that you can no longer ...
Rory Alsop's user avatar
  • 24.9k
9 votes

Is it warmer to sleep with an empty bladder?

There is a really good answer by Ryan Cavanaugh, as to the scientific side of emptying your bladder. In short NO your not going to be any warmer for having emptied your bladder. HOWEVER Big ...
coteyr's user avatar
  • 2,800
9 votes

Is it warmer to sleep with an empty bladder?

Theoretically, it depends on the length of time you sleep. What a full bladder does is raise your body's heat capacity by providing you with more mass, so your body temperature goes down more slowly ...
kloddant's user avatar
  • 199
9 votes

Keeping a backpack from being stolen whilst sleeping in a tent

A thin (2 or 3mm) steel wire, plastic coated, with a loop at each end works well. Anything between one and two metres will do, depending on tent situation. One end looped round the straps of the bag - ...
Tim's user avatar
  • 231
8 votes

Self inflatable mats: the more air, the more comfortable?

You need the right balance of air pressure. Both too much and too little can reduce comfort. This can be seen by thinking about the limiting cases. With no air, you're directly on the ground. If ...
Olin Lathrop's user avatar
  • 21.4k
8 votes

Sleeping solo in a double sleeping bag

If the bag is laid flat like it would be for two people, it will not be nearly as warm. Basically you are doubling the effective surface area in which to lose heat relative to a single person sleeping ...
StrongBad's user avatar
  • 10.7k
7 votes

What sleep quality do you get in the outdoors?

I thing this is too broad and too personal to get a definitive answer. Mine is: go try out for yourself as much as you can in a safe environment. Experiment with different setups as much as you can: ...
Dakatine's user avatar
  • 4,585
7 votes

Sleeping in twos in one hammock

Tried this for two separate trips with my boyfriend. We each have a double nest of our own. They are great because with so much extra fabric you can wrap it around yourself or even sit with your ...
Kate Ourada's user avatar
7 votes
Accepted

Are Oxygen shortages possible in closed bivouacs?

If you put a plastic back over your head, you are going to suffocate. A good bivvy bag should be designed such that suffocation is not an issue. However, breathing into a bivvy bag is a terrible idea ...
llama's user avatar
  • 1,962
7 votes

How much of a temperature difference does a reflective sleeping pad make?

This is an unsourced quote, I'm afraid, but perhaps relevant. Reflective foil is very effective, reducing radiated heat loss by 97%. That's almost all of the 5% we lose by radiation. In other ...
Toby Speight's user avatar
  • 4,712
7 votes

Hypothermia risk from deflated sleeping pad

It would not be wise to take a leaking inflatable sleeping pad on any trip where you actually need a sleeping pad, and cannot hike out and replace it easily. The pad is already leaking. You have to ...
ab2's user avatar
  • 23.9k
7 votes
Accepted

How to deal with temperature swings while sleeping in a tent?

I am going to disagree with the frequency and surety with which you predict these temperature swings, but they do happen. Typically it gets colder as the night goes on, which is a shame because it's ...
Kate Gregory's user avatar
  • 12.1k
7 votes

Have you slept outdoors in only warm sleepwear (no bag or quilt) at or near freezing?

A bivy bag, a pad and lots of warm clothes with no sleeping bag can be done. I can't say it was warm or particularly comfortable. It's not an uncommon thing for climbers going very light. It's ...
Mark Gibbons's user avatar

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