a sleep mask being wearable on a user's face such that said sleep mask covers the user's eyes, said sleep mask being comprised of an opaque material wherein said sleep mask is configured to inhibit light from passing through said sleep mask thereby enhancing the user's ability to sleep during daylight hours, said sleep mask having a face portion and a flap portion, said face portion resting against the user's face when said sleep mask is being worn by the user, said flap portion being positionable in a deployed position having said flap portion resting against the user's forehead wherein said flap portion is configured to facilitate the user to comfortably rest their forehead against a support object when the user is sleeping in a sitting position, said flap portion being positionable in a stored position having said flap portion resting against said face portion;

a pair of elastomeric straps, each of said elastomeric straps being coupled to said sleep mask such that said pair of elastomeric straps forms a closed loop with said sleep mask thereby facilitating said pair of elastomeric straps to be worn around the user's head for retaining said sleep mask on the user's face;

wherein said sleep mask includes a first cover defining said face portion, said first cover having a forward wall, a rearward wall and a perimeter wall extending between said forward wall and said rearward wall, said perimeter wall having a first lateral side, a second lateral side and a bottom side, each of said first lateral side and said second lateral side curving outwardly along a lateral axis extending between said first lateral side and said second lateral side, said bottom side curving upwardly at a point being centrally located between said first lateral side and said second lateral side to define a nose space to accommodate the user's nose when said sleep mask is worn on the user's face; and

wherein said sleep mask includes a second cover defining said flap portion, said forward wall of said first cover extending beyond an upper threshold of said face portion such that said forward wall defines a forward wall of said second cover, said second cover having a back wall and a peripheral wall extending between said forward wall of said second cover and said back wall, said peripheral wall having a upper side, a first lateral side and a second lateral side, each of said first lateral side and said second lateral side of said peripheral wall curving outwardly along a lateral axis extending between said first lateral side and said second lateral side of said peripheral wall.