ぐっすり眠った

slept soundly

→ ぐっすり
phrase Uncommon #10,191
slept soundly Describes sleeping deeply and peacefully. The phrase can change form depending on the tense or context, such as ぐっすり眠っている (sleeping soundly) or ぐっすり眠れる (can sleep soundly).
JA: 昨夜はぐっすり眠ったので、今日は元気です。
EN: I slept soundly last night, so I feel great today.

ぐっすり眠った後はずっと気分がよい

After a good night's sleep, I feel good all day.

一晩中飲んでボブぐっすり眠った

After drinking all night, Bob slept soundly.

ぐっすり眠った

I slept soundly.