'The stuff of nightmares': Man jailed for kissing, biting stranger as she slept

The man who kissed and bit a young Melbourne mother as she slept in her bed during a terrifying home invasion will spend at least two years behind bars.

Lang Kouth broke into the woman's Cranbourne North home on July 24 while he was drunk, with the intention of stealing a car.

But it was while the woman was sleeping with her baby nearby that Kouth sexually assaulted the 21-year-old victim, aggressively kissing the woman on the lips, neck and face and touching her genital area.

The woman pushed away from the man, who she thought was her partner, but when she felt the man's hair she began to scream.

Some of the bite marks on the victim. Source: 7News

The woman was left "terrified, disgusted and panicked".

"She was bruised black, bruised black all down her jawline, all down her neck. He had bitten her like she was a piece of meat," a family member said on the victim's behalf.

The victim and her husband are still so scarred by the attack, they refuse to talk about it.

"She's got to live with that for the rest of her life," the family member said.

"She sleeps in the lounge room because she doesn't want to go to the other end of the house."

In court on Tuesday, Kouth was sentenced to four years and four months' jailed for the aggravated burglary, during which he sexually assaulted the new mother.

Sex attacker Lang Kouth. Source: 7News

The court heard the 21-year-old went into the couple's bedroom, removed his shoes and climbed into bed with the victim and her partner.

The couple's 17-month-baby was asleep on a mattress at the foot of the bed during the attack.

"Not even her half-asleep resistance deterred you," Victorian County Court Judge Michael Tinney said

"You persisted in touching her.

"Thank goodness her partner was there."

The victim's partner chased Kouth from the house.

He got in their car and sped away, reaching speeds of 160km/h in an 80km/h zone.

He clipped a tree, then a pole, and fled on foot but was later caught and arrested by police.

"Waking up in the middle of the night in one's own bed next to one's own partner with a baby in the room and finding that a complete stranger is in the bed and upon the person ... it's the stuff of nightmares," Judge Tinney said.

Judge Tinney said he was anxious about the man's youth and the "potentially corrupting influence of an adult prison".

But it was important the court said a "loud and clear message" that it would not tolerate attacks on sleeping or vulnerable women.

"You should be ashamed of yourself," Judge Tinney said.

Kouth must serve at least two years and three months before he is eligible for parole.