No idea if this applies to a lot of laptops, but on my HP with an i5-8350U every Linux distro I've tried seems to come configured using s2idle instead of deep sleep, and battery will drain very quickly even in 'sleep' mode.

If running cat /sys/power/mem_sleep returns "[s2idle] deep" then you can add mem_sleep_default=deep to your kernel args and it will actually go to sleep properly.

On Fedora this was sudo grubby --update-kernel=ALL --args="mem_sleep_default=deep" but it varies by distro.

Why it seems like every distro I've used has this set incorrectly I do not know, it's baffling.

Too much screentime before bed?

Debian has worked fine on my old laptop, probably only a few days for me but the battery is a decade old or so.

I've only used windows at work in the past 10 years or so but my windows experience with sleep was far far worse.

My laptop would always wake up in my bag on my hour+ commute. The laptop would be scorching hot and the battery dead by the time I got to the office. Every time.

Never experienced that in Linux.

Recently I switched to a Linux computer at work and it's much better in every regard.

My personal desktop (runs arch (btw)), did have some trouble with sleep recently tho...I replaced my 5700G with a 5600X3D and it would refuse to wake from sleep, necessitating a hard shutdown (by PSU switch!)...but I think that was a bios bug. My bios was already very close to latest but I think upgrading that was what ultimately fixed it. Now it works fine.

SWAP avenger here. And they said SWAP partitions were old hat.. Pah!

I have an Acer Swift 3:2 running Manjaro with a swap partition encrypted with LUKS2. I recently got a new laptop so poor old Swifty been languishing in a messenger bag.

The important distinction here being that my lid is tied to hibernate, not sleep, because fuck sleep mode.. why do I want my laptop in "low power mode"? So I can charge it as soon as I open it? No thanks!

Three months pass. Crap can't seem to connect to my VNC over SSH, hmm, what to do.. I wonder if my Acer can connect?

Pull old Swifty out of the bag, open it up, enter decryption key, it's on in moments, 95% battery.

Skill issue? (I'm joking, or am I?) 🐸

When Windows or Mac are put to sleep, the damn things can sleep for a week!

When I put my Windows work laptop to sleep, it damn well can sleep for a week. In fact, it sleeps so well that you could fell a tree next to it and it still wouldn't wake up.

They should really rename that button to "coma". "Sleep" implies you can wake it up.

If only going to sleep was simple. There's a bunch of different sleep states. S3 is ram and S4 is hibernate.

Check your supported sleep states. At the command line type cat /sys/power/state

https://www.kernel.org/doc/html/v5.4/admin-guide/pm/sleep-states.html

Your system goes to sleep and wakes up? My system goes to sleep and then crashes. We are not the same

Windows doesn't sleep. Ever. Sleep is now just a nickname for Modern Standby, which is just running in low power mode doing a whole bunch of shit. The amount of times I come back to my laptop and it has gotten stuck at a reboot is just embarrassing. I dual-boot and have Grub, so whenever Windows tries to reboot itself it gets stuck.

People have gotten their laptops damaged because they thought they were sleeping and put them in a bag, when Windows decides to try to update itself while the fans are blocked inside the bad. Bam, heat damage.

I recommend using hibernate (suspend to disk): your computer will "sleep" for 10 years without draining. The only cost is about 7 seconds to boot on modern hardware. For short interruptions with instant wakeup, you can still use light sleep states.

It combines perfectly with LUKS-encrypted root and swap partitions: your data is safe even if someone steals your computer and swakes it up.

I once did a deep dive on sleep mode for some problem a friend was having. I'm now convinced it might be the worst thing I've ever seen in modern computing. It's globally horrendous, poorly implemented, and causes random problems in unfathomable places. It's amazing it ever works at all.

It's mostly a mix of newer laptops not supporting suspend to RAM (only suspend to idle), and faulty hardware requiring proprietary hacks to actually go idle.

Always wondered this. My steam deck dies in a day if put to sleep or hibernate.

I just want the option to put my Linux laptop into S3 ACPI power State. Daim you modern W11 hardware and S0!!!

My previous laptop was fine - it lost a few percent per day. Now with s0ix, it's more like 10 or 20% per day. Is just turn it off if it weren't fit the fact that it also takes ages to boot for some reason. Sigh. And hibernate doesn't work with an encrypted disk.

Windows has same problems. Its hot bag syndrome. Issue lies at hardware and firmware level. FYI my T480 configured for deep sleep looses only 1% per day sleeping.

I didn't configure hybernation though.