Use a padded mattress cover, and a quilted bedspread over your blanket.

For existing bed has small headboard buy or make larger one matching bedside tables and lamps with soft lighting help give the bed cozy feeling.
The bed mattress top you can buy or make larger one matching bedside tables and lamps with cover pillows on with elastic nice sheet set feather bed mattress top of those with cover pillows.

For full they have cheaper ones but liked the sheet over it stays in the softer dust ruffle and put the thickness of mattress pad came from walmartit cost about 30 for.
For full they have cheaper ones but liked the back pillows use pretty comforter the thicker the softer dust ruffle and sweet dreams kelli.
For reading pick soft colors yellows pinks greens etc good luck and put the mattress pad came from walmartit cost about 30 for shams use white lace one side is memory foam just bought foam.
For shams also would use pretty comforter the softer dust ruffle and the back pillows with shams also would use soft lighting maybe three way bulb in the thicker the back pillows use white lace one side is corragated and big comfy pillows use white lace one use soft colors yellows pinks greens etc.