Choosing the right mattress firmness and size can improve sleep quality, posture support, and everyday comfort. As Singapore’s trusted heritage mattress brand since 1968, Four Star understands that every sleeper has different needs based on sleeping position, body support preference, bedroom space, and lifestyle.
This mattress buying guide explains how to choose the best mattress firmness, compare Singapore mattress sizes, and find a supportive mattress that suits your sleep habits.
Mattress firmness refers to how soft or firm a mattress feels when you lie on it. Different firmness levels provide different types of support and comfort. The right firmness helps maintain spinal alignment, reduce pressure points, and minimise tossing and turning.

| Firmness Level | Feel | Best For |
|---|---|---|
| Soft | Plush and cushioning | Side sleepers and lighter individuals |
| Medium | Balanced comfort and support | Most sleepers and couples |
| Firm | Strong support with less sinkage | Back sleepers and those who prefer firmer support |
Mattress size affects both comfort and sleeping space. Whether you sleep alone, with a partner, or need extra room to move, choosing the correct mattress size can improve your overall sleep experience.
View the HDB 3-room show flat. / HDB 4-room show flat. / HDB 5-room show flat.

| Singapore Mattress Size | Dimension | Recommended For |
|---|---|---|
| Single | 92cm W x 190cm L | Children, teenagers, guest rooms, or compact bedrooms |
| Super Single | 107cm W x 190cm L | Single adults who prefer more space |
| Queen | 152cm W x 190cm L | Couples or homeowners with medium-sized bedrooms |
| King | 183cm W x 190cm L | Couples who want maximum sleeping space |
| Sleeping Position | Recommended Firmness | Why It Helps |
|---|---|---|
| Side Sleeper | Soft to Medium | Helps cushion shoulders and hips |
| Back Sleeper | Medium to Firm | Supports the lower back and spine |
| Stomach Sleeper | Firm | Helps reduce body sinkage and improves alignment |
A mattress that is too soft may cause your body to sink too deeply, while a mattress that is too firm may create pressure on the shoulders, hips, and lower back. The right mattress helps support natural posture and promotes better rest throughout the night.
When choosing a mattress, consider your sleeping position, body support needs, bedroom size (refer here to Singapore HDB room size), and whether you sleep alone or with a partner. Testing different firmness levels in-store can also help you find the most suitable option.
Disclaimer: This blog is shared for general informational purposes only. Mattress comfort and support preferences may vary based on individual needs and sleeping habits.
As Singapore’s trusted heritage mattress brand since 1968, Four Star offers a wide range of ergonomic, cooling, and supportive mattresses designed for different sleep needs.