Sleep seems to break the BT connection to mouse and keyboard in the dmesg I see:
[Do Feb 5 13:33:56 2026] usb 3-1.3.1: new full-speed USB device number 40 using xhci_hcd
[Do Feb 5 13:33:57 2026] usb 3-1.3.1: New USB device found, idVendor=2d1f, idProduct=524c, bcdDevice= 0.01
[Do Feb 5 13:33:57 2026] usb 3-1.3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[Do Feb 5 13:33:57 2026] usb 3-1.3.1: Product: Pen and multitouch sensor
[Do Feb 5 13:33:57 2026] usb 3-1.3.1: Manufacturer: Wacom Co.,Ltd.
[Do Feb 5 13:33:57 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0025/input/input108
[Do Feb 5 13:33:57 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor UNKNOWN as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0025/input/input109
[Do Feb 5 13:33:57 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor Stylus as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0025/input/input110
[Do Feb 5 13:33:57 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor UNKNOWN as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0025/input/input111
[Do Feb 5 13:33:57 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor Mouse as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0025/input/input112
[Do Feb 5 13:33:57 2026] hid-multitouch 0003:2D1F:524C.0025: input,hiddev98,hidraw6: USB HID v1.11 Mouse [Wacom Co.,Ltd. Pen and multitouch sensor] on usb-0000:00:14.0-1.3.1/input0
[Do Feb 5 13:33:57 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.1/0003:2D1F:524C.0026/input/input113
[Do Feb 5 13:33:57 2026] hid-multitouch 0003:2D1F:524C.0026: input,hiddev99,hidraw7: USB HID v1.11 Device [Wacom Co.,Ltd. Pen and multitouch sensor] on usb-0000:00:14.0-1.3.1/input1
[Do Feb 5 13:33:59 2026] usb 3-1.3.1: USB disconnect, device number 40
[Do Feb 5 13:34:01 2026] usb 3-1.3.1: new full-speed USB device number 41 using xhci_hcd
[Do Feb 5 13:34:01 2026] usb 3-1.3.1: New USB device found, idVendor=2d1f, idProduct=524c, bcdDevice= 0.01
[Do Feb 5 13:34:01 2026] usb 3-1.3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[Do Feb 5 13:34:01 2026] usb 3-1.3.1: Product: Pen and multitouch sensor
[Do Feb 5 13:34:01 2026] usb 3-1.3.1: Manufacturer: Wacom Co.,Ltd.
[Do Feb 5 13:34:01 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0027/input/input114
[Do Feb 5 13:34:01 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor UNKNOWN as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0027/input/input115
[Do Feb 5 13:34:01 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor Stylus as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0027/input/input116
[Do Feb 5 13:34:01 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor UNKNOWN as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0027/input/input117
[Do Feb 5 13:34:01 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor Mouse as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.0/0003:2D1F:524C.0027/input/input118
[Do Feb 5 13:34:01 2026] hid-multitouch 0003:2D1F:524C.0027: input,hiddev98,hidraw6: USB HID v1.11 Mouse [Wacom Co.,Ltd. Pen and multitouch sensor] on usb-0000:00:14.0-1.3.1/input0
[Do Feb 5 13:34:01 2026] input: Wacom Co.,Ltd. Pen and multitouch sensor as /devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1.3/3-1.3.1/3-1.3.1:1.1/0003:2D1F:524C.0028/input/input119
[Do Feb 5 13:34:01 2026] hid-multitouch 0003:2D1F:524C.0028: input,hiddev99,hidraw7: USB HID v1.11 Device [Wacom Co.,Ltd. Pen and multitouch sensor] on usb-0000:00:14.0-1.3.1/input1
[Do Feb 5 13:34:04 2026] hid-generic 0005:3434:0250.0029: unknown main item tag 0x0
[Do Feb 5 13:34:04 2026] input: "Keychron K5 Pro" Keyboard as /devices/virtual/misc/uhid/0005:3434:0250.0029/input/input120
[Do Feb 5 13:34:04 2026] input: "Keychron K5 Pro" Mouse as /devices/virtual/misc/uhid/0005:3434:0250.0029/input/input121
[Do Feb 5 13:34:04 2026] hid-generic 0005:3434:0250.0029: input,hidraw10: BLUETOOTH HID v1.32 Keyboard ["Keychron K5 Pro"] on ec:4c:8c:34:99:9a
[Do Feb 5 13:35:12 2026] usb usb3-port10: disabled by hub (EMI?), re-enabling...
[Do Feb 5 13:35:12 2026] usb 3-10: USB disconnect, device number 31
[Do Feb 5 13:35:12 2026] Bluetooth: hci0: Opcode 0x0c1a failed: -19
[Do Feb 5 13:35:12 2026] Bluetooth: hci0: Error when powering off device on rfkill (-19)
[Do Feb 5 13:35:15 2026] usb 3-10: new full-speed USB device number 42 using xhci_hcd
[Do Feb 5 13:35:15 2026] usb 3-10: device descriptor read/64, error -71
[Do Feb 5 13:35:15 2026] usb 3-10: New USB device found, idVendor=8087, idProduct=0033, bcdDevice= 0.00
[Do Feb 5 13:35:15 2026] usb 3-10: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: Device revision is 0
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: Secure boot is enabled
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: OTP lock is enabled
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: API lock is enabled
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: Debug lock is disabled
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: Bootloader timestamp 2022.18 buildtype 1 build 49266
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: DSM reset method type: 0x00
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: Found device firmware: intel/ibt-0180-0041.sfi
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: Boot Address: 0x100800
[Do Feb 5 13:35:15 2026] Bluetooth: hci0: Firmware Version: 42-20.25
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Waiting for firmware download to complete
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Firmware loaded in 2182816 usecs
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Waiting for device to boot
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Device booted in 41155 usecs
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-0180-0041.ddc
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Applying Intel DDC parameters completed
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Firmware timestamp 2025.20 buildtype 1 build 3882
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Firmware SHA1: 0x937bca4a
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Fseq status: Success (0x00)
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Fseq executed: 00.00.03.94
[Do Feb 5 13:35:17 2026] Bluetooth: hci0: Fseq BT Top: 00.00.03.94
[Do Feb 5 13:35:18 2026] Bluetooth: MGMT ver 1.23
[Do Feb 5 13:36:03 2026] hid-generic 0005:3434:0250.002A: unknown main item tag 0x0
[Do Feb 5 13:36:03 2026] input: "Keychron K5 Pro" Keyboard as /devices/virtual/misc/uhid/0005:3434:0250.002A/input/input122
[Do Feb 5 13:36:03 2026] input: "Keychron K5 Pro" Mouse as /devices/virtual/misc/uhid/0005:3434:0250.002A/input/input123
[Do Feb 5 13:36:03 2026] hid-generic 0005:3434:0250.002A: input,hidraw9: BLUETOOTH HID v1.32 Keyboard ["Keychron K5 Pro"] on ec:4c:8c:34:99:9a
[Do Feb 5 13:36:14 2026] usb 3-3: reset full-speed USB device number 3 using xhci_hcd
[Do Feb 5 13:37:56 2026] input: Logitech MX Anywhere 3 as /devices/virtual/misc/uhid/0005:046D:B025.002B/input/input124
[Do Feb 5 13:37:56 2026] logitech-hidpp-device 0005:046D:B025.002B: input,hidraw10: BLUETOOTH HID v0.14 Mouse [Logitech MX Anywhere 3] on ec:4c:8c:34:99:9a
[Do Feb 5 13:37:56 2026] logitech-hidpp-device 0005:046D:B025.002B: HID++ 4.5 device connected.
After switching the BT on the laptop off and on it might or might not work again. Is this part of the implementation of BT on Linux or is there something I can do about it?