Kais-MacBook-Air:~ kai$ log show --style syslog --last 1h --color always --style default | fgrep "Wake reason"
2019-10-27 12:01:50.776643+0100 0x74       Default     0x0                  0      0    kernel: (AppleACPIPlatform) AppleACPIPlatformPower Wake reason: XHC
2019-10-27 12:01:50.776645+0100 0x74       Default     0x0                  0      0    kernel: (AppleACPIPlatform) AppleACPIPlatformPower Wake reason: XHC
Kais-MacBook-Air:~ kai$