Sharing your bed with a partner - and what they do as part of their "sleep behaviour" - is one of the commonest causes cited for not getting a good night's sleep.
Admittedly some things are difficult to change, but often simple changes by one party - so simple that they seem petty - can have a significant positive impact on the other's quality of sleep.
Top tip for a great night's sleep: (Assuming that you want to (or feel you really ought to) sleep in the same bed and/or room as your partner) Talk to them about which behaviours affect your sleep - they may be very simple to change
