HSK3 汉字 (156-160)

担
你可以试一试，可是自担风险。 （你试一试 sounds like a suggestion)
You can try, but at your own risk.

短
这条裙子太短了！
This skirt is too short!

街
我的街道住的社区很安静。 （First, neighbourhood means 小区 or 社区, not street 街道. Second, 我的街道 my street-- the street doesn't belong to you.  So say 我住的）
My neighbourhood is very quiet.

奇
奇怪。看起来你忘了我的生日！ good job
Strange... It seems as if you forgot my birthday!

愿
现在我非常愿意睡觉。 现在我非常想小憩一下。Well, 小憩 is a literary way to say "take a snap". you can also say 小睡一下。 But 睡觉 means sleep.  So I think 小憩 or 小睡一下 better conveys what you want to say, I guess?
Right now I'd very much like to take a nap.

HSK3 汉字 (156-160)

担
你试一试，可是自担风险。
You can try, but at your own risk.

短
这条裙子太短了！
This skirt is too short!

街
我的居民小区很安静。
My neighbourhood is very quiet.

这条街道很安静。
This street is very quiet.

这条弄堂很安静。 (弄堂/小巷/胡同)
This lane is very quiet.

奇
奇怪。看起来你忘了我的生日！
Strange... It seems as if you forgot my birthday!

“奇怪”和忘了生日没有明显的逻辑关系。

I personally don't find any logical connection between 'strange' and 'forgot my birthday'

愿
现在我非常愿意睡觉。
Right now I'd very much like to take a nap.

这个没有错，但是想提醒你，这个听上去像是你本来不愿意睡觉，而现在改变了看法。比如，你嫌床太脏，所以本来不愿意睡觉，但现在由于太累，被迫接受了。

It's not technically wrong. However, it should be noted that your Chinese version sounds like this: you were not willing to sleep but now you change your mind. A case to illustrate is that you might feel the bed is too dirty, so you were not willing to sleep. But as you grow icreasingly tired, you're forced to sleep.

I would have said

现在我非常想睡觉。

HSK3 汉字 (156-160)

担
你可以试一试，可是要自担风险。
You can try, but at your own risk.

短
这(条)裙子太短了！
This skirt is too short!

Perfect! :) (leaving out 条 is fine too)

街
我的街道家附近很安静。
My neighbourhood is very quiet.

Neighborhood is a hard word to translate directly into Chinese...... 街道 doesn't work as it means "street" and in Chinese 我的街道 sounds like you actually own the street yourself. 邻居 is "neighbor" instead of "neighborhood". I opted for 我家附近, which means "near/around my home". To me it seems close enough to the concept of neighborhood. To get more complicated, you can also say 我家这一区/带, meaning literally "this area of my home".

奇
奇怪。看起来你忘了我的生日(喔)！
Strange... It seems as if you forgot my birthday!

The sentence is correct, but it'd feel weird without the right context and intonation :p And we would probably add an interjection in the end in this case. Click at the following link for my attempt at saying this sentence in a "natural" way: https://soundcloud.com/user-214743952/logkhchpxbmf (I think I accidentally recorded the second part twice)

Some nuances about 看起来: it implies there are some (subtle or not) evidence that points to the person forgetting your birthday. If it's just your conjecture/intuition, you'd probably say 你好像...

愿
现在我非常愿意想要睡觉。
Right now I'd very much like to take a nap sleep.

We normally don't talk about "willing to sleep"; we just "want" to sleep. Also "take a nap" would be 打个盹 or 小睡/小歇(一下/一番). In Taiwan at least we also say 瞇一下 colloquially. Since the character you are aiming to practice is 愿, I can use another verb to substitute into your original sentence:

现在我非常愿意认识他。

Right now I'd very much like to meet him/I'm very willing to meet him.

HSK3 汉字 (156-160)

担
你可试一试，但要可是自担风险。
You can try, but at your own risk.

短
这条裙子太短了！
This skirt is too short!

街
我的街道很安静。 My street is very safe and quiet
My neighbourhood is very quiet. 我/邻区/街坊/ 很幽靜

奇
奇怪。看起来你忘了我的生日！
Strange... It seems as if you forgot my birthday!

愿
现在我非常愿意睡觉。Right now I would be willing to have a sleep 
Right now I'd very much like to take a nap.现在，我很想打个盹。

HSK3 汉字 (156-160)

担
你可以试一试，但是要自担风险。
You can try, but at your own risk.

短
这条裙子太短了！
This skirt is too short!

街
我的街道很安静。 My street is very peaceful and quiet.
My neighbourhood is very quiet. 我 居住的小区/街坊 很清净。

奇
奇怪。看起来你忘了我的生日！
Strange... It seems as if you forgot my birthday!

愿
现在我非常愿意睡觉。 Right now I would be willing to have a sleep.
Right now I'd very much like to take a nap. 现在，我很想打个盹。